### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathlimit/base

Example of using MathLimit.Base property.

```csharp
MathLimit limitElement = new MathLimit(new MathematicalText("lim"), new MathematicalText("𝑛→∞"));
IMathElement baseArg = limitElement.Base;
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.export/ipdfoptions/includeoledata

Example of how to use IncludeOleData.

```csharp
using (Presentation pres = new Presentation("pres.pptx"))
{
    PdfOptions options = new PdfOptions { IncludeOleData = true };
    pres.Save("pres.pdf", SaveFormat.Pdf, options);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/icommonslideviewproperties/drawingguides

The following sample code shows how to add the new drawing guides in a PowerPoint presentation.

```C#
using (Presentation pres = new Presentation())
{
    var slideSize = pres.SlideSize.Size;
    
    IDrawingGuidesCollection guides = pres.ViewProperties.SlideViewProperties.DrawingGuides;
    // Adding the new vertical drawing guide to the right of the slide center
    guides.Add(Orientation.Vertical, slideSize.Width / 2 + 12.5f);
    // Adding the new horizontal drawing guide below the slide center
    guides.Add(Orientation.Horizontal, slideSize.Height / 2 + 12.5f);
    
    pres.Save("DrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.export/gifoptions/transitionfps

Example of setting TransitionFps.

```C#
using (Presentation pres = new Presentation("pres.pptx"))
{
	pres.Save("pres.gif", SaveFormat.Gif, new GifOptions { TransitionFps = 60 });
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathlimit/upperlimit

Example of using IMathLimit.UpperLimit.

```csharp
[C#]
IMathLimit limitElement = new MathLimit(new MathematicalText("lim"), new MathematicalText("𝑛→∞"));
limitElement.UpperLimit = false;

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathbox

Example of creating an IMathBox.

```csharp
IMathBox box = new MathematicalText("==").ToBox();

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/presentedbyspeaker/presentedbyspeaker

Example of how to use the PresentedBySpeaker class.

```csharp
using (Presentation pres = new Presentation())
{
    pres.SlideShowSettings.SlideShowType = new PresentedBySpeaker();
    pres.Save("pres.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/imasterslide/drawingguides

Example of how to add a vertical drawing guide to the right of the slide center.

```csharp
using (Presentation pres = new Presentation())
{
    var slideSize = pres.SlideSize.Size;
    
    IDrawingGuidesCollection guides = pres.Masters[0].DrawingGuides;
    // Adding the new vertical drawing guide to the right of the slide center
    guides.Add(Orientation.Vertical, slideSize.Width / 2 + 20f);
    
    pres.Save("MasterSlideDrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathparagraph/tolatex

Example of using ToLatex method

```C#
[C#]
IAutoShape shape = slide.Shapes.AddMathShape(x, y, width, height);
IMathParagraph mathParagraph = (shape.TextFrame.Paragraphs[0].Portions[0] as MathPortion).MathParagraph;
mathParagraph.Add(new MathematicalText("a").Join("+").Join(new MathematicalText("b").Join("=").Join(new MathematicalText("c"))));
string mathLatex = mathParagraph.ToLatex();

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/summaryzoomsection/description

Example of using the Description property.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomSection zoomSection = zoomFrame.SummaryZoomCollection[1];
    zoomSection.Description = "Description";
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathblock/item

Example usage of the MathBlock indexer.

```csharp
[C#]
MathBlock mathBlock = new MathBlock(new MathematicalText("x"));
IMathElement firstElem = mathBlock[0];
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathlimit/mathlimit

Example of using MathLimit with an upper limit.

```csharp
[C#]
MathLimit limitElement = new MathLimit(new MathematicalText("lim"), new MathematicalText("𝑛→∞"), false);
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathdelimiter/beginningcharacter

Example of setting the BeginningCharacter property.

```csharp
IMathDelimiter delimiter = new MathematicalText("x").Join("y").Enclose();
delimiter.BeginningCharacter = '[';
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathlimit/mathlimit

Example of using MathLimit with a lower limit.

```csharp
[C#]
MathLimit limitElement = new MathLimit(new MathematicalText("lim"), new MathematicalText("𝑛→∞"));
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathradical/mathradical

Example of using MathRadical.

```csharp
MathRadical radical = new MathRadical(new MathematicalText("x"), new MathematicalText("3"));
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsection/description

Example of using the Description property.

```csharp
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomSection zoomSection = zoomFrame.SummaryZoomCollection[1];
    zoomSection.Description = "Description";
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.export/ipresentationanimationplayer

Demonstrates how to use IPresentationAnimationPlayer to get animation frames.

```csharp
using (Presentation presentation = new Presentation("animated.pptx"))
{
    using (var animationsGenerator = new PresentationAnimationsGenerator(presentation.SlideSize.Size.ToSize()))
    {
        animationsGenerator.NewAnimation += animationPlayer =>
        {
            Console.WriteLine($"Animation total duration: {animationPlayer.Duration}");
            
            animationPlayer.SetTimePosition(0);
            animationPlayer.GetFrame().Save("firstFrame.png");
            
            animationPlayer.SetTimePosition(animationPlayer.Duration);
            animationPlayer.GetFrame().Save("lastFrame.png");
      };
        
        animationsGenerator.Run(presentation.Slides);
    }
}
```

--------------------------------

### Example of getting Summary Zoom Section element by index

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomframe/layout

The example demonstrates getting Summary Zoom Section element by index:

```C#
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = pres.Slides[1].Shapes[0] as ISummaryZoomFrame;
    ZoomLayout layout = zoomFrame.Layout;
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.export/igifoptions/defaultdelay

Example of setting the DefaultDelay property.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
	pres.Save("pres.gif", SaveFormat.Gif, new GifOptions { DefaultDelay = 2000 });
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathmatrix/item

Example of using the MathMatrix indexer.

```csharp
[C#]
IMathMatrix matrix = new MathMatrix(2, 3);
matrix[0, 0] = new MathematicalText("item.1.1");
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.excel/exceldatacell/value

Example of how to get the value of an Excel cell.

```C#
[C#]
ExcelDataWorkbook wb = new ExcelDataWorkbook(testFile);
IExcelDataCell cell = wb.GetCell(1, 1, 1);
Console.WriteLine(cell.Value.ToString());

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.excel/exceldatacell/name

Example of how to get the name of a chart data cell.

```csharp
[C#]
ExcelDataWorkbook wb = new ExcelDataWorkbook(testFile);
IExcelDataCell cell = wb.GetCell(1, 1, 1);
Console.WriteLine(cell.Name); //Output: "B2"

```

--------------------------------

### Start Property

Source: https://reference.aspose.com/slides/net/aspose.slides/slidesrange/start

Gets or sets the start of the range.

```csharp
public uint Start { get; set; }
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/summaryzoomsection/title

Example of setting the Title property.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomSection zoomSection = zoomFrame.SummaryZoomCollection[1];
    zoomSection.Title = "Title";
}
```

--------------------------------

### Example of getting shape’s effective fill format properties

Source: https://reference.aspose.com/slides/net/aspose.slides/fillformat/geteffective

This example demonstrates getting shape’s effective fill format properties.

```csharp
[C#]
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	IFillFormatEffectiveData effectiveFillFormat = pres.Slides[0].Shapes[0].FillFormat.GetEffective();

	Console.WriteLine("Type: " + effectiveFillFormat.FillType);
	sswitch (effectiveFillFormat.FillType)
	{
		case FillType.Solid:
			Console.WriteLine("Fill color: " + effectiveFillFormat.SolidFillColor);
			break;
		case FillType.Pattern:
			Console.WriteLine("Pattern style: " + effectiveFillFormat.PatternFormat.PatternStyle);
			Console.WriteLine("Fore color: " + effectiveFillFormat.PatternFormat.ForeColor);
			Console.WriteLine("Back color: " + effectiveFillFormat.PatternFormat.BackColor);
			break;
		case FillType.Gradient:
			Console.WriteLine("Gradient direction: " + effectiveFillFormat.GradientFormat.GradientDirection);
			Console.WriteLine("Gradient stops count: " + effectiveFillFormat.GradientFormat.GradientStops.Count);
			break;
		case FillType.Picture:
			Console.WriteLine("Picture width: " + effectiveFillFormat.PictureFillFormat.Picture.Image.Width);
			Console.WriteLine("Picture height: " + effectiveFillFormat.PictureFillFormat.Picture.Image.Height);
			break;
	}
}

```

--------------------------------

### SetUpperLimit(string)

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathelement/setupperlimit

This C# code example demonstrates how to use the SetUpperLimit method with a string parameter to set an upper limit for a mathematical expression.

```csharp
IMathElement baseElement = new MathematicalText("y");
var limitElement = baseElement.SetUpperLimit("y−>1");
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathmatrix/insertcolumnafter

Example of using InsertColumnAfter.

```C#
IMathMatrix matrix = new MathMatrix(2, 3);
matrix.InsertColumnAfter(0);
```

--------------------------------

### ShapeType Property Example

Source: https://reference.aspose.com/slides/net/aspose.slides/igeometryshape/shapetype

Example of how to get and set the ShapeType property.

```csharp
public ShapeType ShapeType { get; set; }
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathmatrix/columngap

Example of setting ColumnGap and ColumnGapRule for a MathMatrix.

```C#
IMathMatrix matrix = new MathMatrix(2, 3);
matrix.ColumnGapRule = MathSpacingRules.Exactly;
matrix.ColumnGap = 20;
```

--------------------------------

### Example of getting shape’s effective line format properties

Source: https://reference.aspose.com/slides/net/aspose.slides/lineformat/geteffective

This example demonstrates getting shape’s effective line format properties.

```csharp
[C#]
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	ILineFormatEffectiveData effectiveLineFormat = pres.Slides[0].Shapes[0].LineFormat.GetEffective();

	Console.WriteLine("Style: " + effectiveLineFormat.Style);
	Console.WriteLine("Width: " + effectiveLineFormat.Width);
	Console.WriteLine("Fill type: " + effectiveLineFormat.FillFormat.FillType);
}

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathdelimiter/beginningcharacter

Example of setting the BeginningCharacter property.

```csharp
[C#]
IMathDelimiter delimiter = new MathematicalText("x").Join("y").Enclose();
delimiter.BeginningCharacter = '[';

```

--------------------------------

### SetUpperLimit(string)

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathelementbase/setupperlimit

Takes upper limit

```csharp
public IMathLimit SetUpperLimit(string limit)
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsectioncollection/indexof

The example demonstrates getting Summary Zoom Section element by index.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    ISummaryZoomSection selectedObject = collection.GetSummarySection(pres.Sections[2]);
    int idx = collection.IndexOf(selectedObject);
}

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.export/irenderingoptions

Demonstrates how to use IRenderingOptions to control rendering behavior, including setting slide layout options and default fonts.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
  IRenderingOptions renderingOpts = new RenderingOptions();
  renderingOpts.SlidesLayoutOptions = new NotesCommentsLayoutingOptions { NotesPosition = NotesPositions.BottomTruncated};
  
  pres.Slides[0].GetThumbnail(renderingOpts).Save("pres-Original.png", ImageFormat.Png);
  
  renderingOpts.DefaultRegularFont = "Arial Black";
  pres.Slides[0].GetThumbnail(renderingOpts).Save("pres-ArialBlackDefault.png", ImageFormat.Png);
  
  renderingOpts.DefaultRegularFont = "Arial Narrow";
  pres.Slides[0].GetThumbnail(renderingOpts).Save("pres-ArialNarrowDefault.png", ImageFormat.Png);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/iparagraph/getlinescount

Example of using GetLinesCount to get the number of lines in a paragraph.

```csharp
[C#]
using (Presentation pres = new Presentation())
{
    ISlide sld = pres.Slides[0];
    IAutoShape ashp = sld.Shapes.AddAutoShape(ShapeType.Rectangle, 150, 75, 150, 50);
    IParagraph para = ashp.TextFrame.Paragraphs[0];
    IPortion portion = para.Portions[0];
    portion.Text = "Aspose Paragraph GetLinesCount() Example";
    Console.WriteLine("Lines Count = {0}", para.GetLinesCount());
}

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathblockcollection/item

Example of using the Item indexer.

```csharp
[C#]
IMathBlockCollection blockCollection = new MathParagraph();
blockCollection.Add(new MathBlock(new MathematicalText("block1")));
blockCollection.Add(new MathBlock(new MathematicalText("block2")));
IMathBlock block = blockCollection[1];

```

--------------------------------

### GetGeometryPaths Example

Source: https://reference.aspose.com/slides/net/aspose.slides/geometryshape/getgeometrypaths

This example demonstrates how to get and modify geometry paths of a shape.

```C#
using (Presentation pres = new Presentation())
{
    GeometryShape shape = pres.Slides[0].Shapes.AddAutoShape(ShapeType.Rectangle, 100, 100, 200, 100) as GeometryShape;

    IGeometryPath geometryPath = shape.GetGeometryPaths()[0];

    geometryPath.LineTo(100, 50, 1);
    geometryPath.LineTo(100, 50, 4);

    shape.SetGeometryPath(geometryPath);

    pres.Save("output.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/effectformat/geteffective

This example demonstrates getting some of shape’s effective effect properties.

```csharp
[C#]
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	IEffectFormatEffectiveData effectiveEffectFormat = pres.Slides[0].Shapes[0].EffectFormat.GetEffective();

	if (effectiveEffectFormat.IsNoEffects)
	{
		Console.WriteLine("The shape has not effects applied.");
	}
	else
	{
		if (effectiveEffectFormat.BlurEffect != null)
			Console.WriteLine("Blur effect radius: " + effectiveEffectFormat.BlurEffect.Radius);
		if (effectiveEffectFormat.FillOverlayEffect != null)
			Console.WriteLine("Fill overlay effect fill type: " + effectiveEffectFormat.FillOverlayEffect.FillFormat.FillType);
		if (effectiveEffectFormat.GlowEffect != null)
			Console.WriteLine("Glow effect color: " + effectiveEffectFormat.GlowEffect.Color);
		if (effectiveEffectFormat.InnerShadowEffect != null)
			Console.WriteLine("Inner shadow effect shadow color: " + effectiveEffectFormat.InnerShadowEffect.ShadowColor);
		if (effectiveEffectFormat.OuterShadowEffect != null)
			Console.WriteLine("Outer shadow effect shadow color: " + effectiveEffectFormat.OuterShadowEffect.ShadowColor);
		if (effectiveEffectFormat.PresetShadowEffect != null)
			Console.WriteLine("Preset shadow effect shadow color: " + effectiveEffectFormat.PresetShadowEffect.ShadowColor);
		if (effectiveEffectFormat.ReflectionEffect != null)
			Console.WriteLine("Reflection effect distance: " + effectiveEffectFormat.ReflectionEffect.Distance);
		if (effectiveEffectFormat.SoftEdgeEffect != null)
			Console.WriteLine("Soft edge effect radius: " + effectiveEffectFormat.SoftEdgeEffect.Radius);
	}
}

```

--------------------------------

### SetUpperLimit(IMathElement)

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathelement/setupperlimit

This C# code example demonstrates how to use the SetUpperLimit method with an IMathElement parameter to set an upper limit for a mathematical expression.

```csharp
IMathElement baseElement = new MathematicalText("y");
IMathElement limitValue = new MathematicalText("y−>1");
var limitElement = baseElement.SetUpperLimit(limitValue);
```

--------------------------------

### Get index of Tahoma

Source: https://reference.aspose.com/slides/net/aspose.slides/fontfallbackrule/indexof

Example demonstrating how to get the index of a font within a FontFallBackRule.

```csharp
[C#]
// Create a rule contains a list of fonts.
IFontFallBackRule newRule = new FontFallBackRule(0x3040, 0x309F, "MS Mincho, MS Gothic, Tahoma, Times New Roman");

// Get index of Tahoma.
int tahomaIndex = newRule.IndexOf("Tahoma");

```

--------------------------------

### Getting Effective Background Properties

Source: https://reference.aspose.com/slides/net/aspose.slides/background/geteffective

This example demonstrates getting effective background properties.

```csharp
[C#]
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	IBackgroundEffectiveData effectiveBackground = pres.Slides[0].Background.GetEffective();

	Console.WriteLine("Background fill type: " + effectiveBackground.FillFormat.FillType);
	Console.WriteLine("Any effects applied: " + !effectiveBackground.EffectFormat.IsNoEffects);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/paragraphformat/geteffective

This example demonstrates getting some effective paragraph format properties.

```C#
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	IAutoShape shape = pres.Slides[0].Shapes[0] as IAutoShape;
	IParagraphFormatEffectiveData effectiveParagraphFormat = shape.TextFrame.Paragraphs[0].ParagraphFormat.GetEffective();

	Console.WriteLine("Text alignment: " + effectiveParagraphFormat.Alignment);
	Console.WriteLine("Indent: " + effectiveParagraphFormat.Indent);
	Console.WriteLine("Bullet type: " + effectiveParagraphFormat.Bullet.Type);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathborderbox/strikethroughbottomlefttotopright

Example of setting the StrikethroughBottomLeftToTopRight property.

```csharp
IMathBorderBox borderBox = new MathematicalText("x+y+z").ToBorderBox();
borderBox.StrikethroughBottomLeftToTopRight = true;
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/fontfallbackrulescollection/item

Demonstrates how to add and retrieve font fallback rules.

```csharp
using (Presentation pres = new Presentation ()){
    //Getting of empty or preinitialized rules collection from FontsManager
    IFontFallBackRulesCollection rulesList = pres.FontsManager.FontFallBackRulesCollection;

    //Adding of several rules to collection
    rulesList.Add(new FontFallBackRule(0x400,0x4FF, "Times New Roman"));
    rulesList.Add(new FontFallBackRule(0x3040, 0x309F, "MS Mincho"));

    //Retrieving of object of the first rule in collection
    IFontFallBackRule firstRule = rulesList[0];
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/fontsmanager/fontfallbackrulescollection

This example demonstrates how to get, add to, and replace the FontFallBackRulesCollection in Aspose.Slides for .NET.

```C#
using (Presentation pres = new Presentation ()){
    // Getting of empty or preinitialized rules collection from FontsManager
    IFontFallBackRulesCollection rulesList = pres.FontsManager.FontFallBackRulesCollection;

    // adding of rules to collection
    rulesList.Add(new FontFallBackRule(0x400,0x4FF, "Times New Roman"));

    // or 
    // initialization of new instance of rules collection
    IFontFallBackRulesCollection rulesList = new FontFallBackRulesCollection();

    // adding of rules to collection
    rulesList.Add(new FontFallBackRule(0x400,0x4FF, "Times New Roman"));

    // and replacing of existing collection by the new one in FontsManager 
    pres.FontsManager.FontFallBackRulesCollection = rulesList;
}
```

--------------------------------

### Open and Save Presentation

Source: https://reference.aspose.com/slides/net/aspose.slides/presentation

This example shows how to open an existing presentation file (e.g., .odp) and save it in .pptx format.

```C#
// Load any supported file in Presentation e.g. ppt, pptx, odp etc.
using (Presentation presentation = new Presentation("Sample.odp"))
{
	// Save the presentation file.
	presentation.Save("OutputPresenation.pptx", SaveFormat.Pptx);
}

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/bulletformat/geteffective

This example demonstrates getting some effective bullet format properties.

```C#
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
	IAutoShape shape = pres.Slides[0].Shapes[0] as IAutoShape;
	IBulletFormatEffectiveData effectiveBulletFormat = shape.TextFrame.Paragraphs[0].ParagraphFormat.Bullet.GetEffective();

	Console.WriteLine("Bullet type: " + effectiveBulletFormat.Type);
	if (effectiveBulletFormat.Type == BulletType.Numbered)
	{
	    Console.WriteLine("Numbered style: " + effectiveBulletFormat.NumberedBulletStyle);
	    Console.WriteLine("Starting number: " + effectiveBulletFormat.NumberedBulletStartWith);
	}
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/ilayoutslide/drawingguides

This example demonstrates how to add a vertical drawing guide to a layout slide.

```csharp
using (Presentation pres = new Presentation())
{
    var slideSize = pres.SlideSize.Size;
    
    IDrawingGuidesCollection guides = pres.LayoutSlides[0].DrawingGuides;
    // Adding the new vertical drawing guide to the left of the slide center
    guides.Add(Orientation.Vertical, slideSize.Width / 2 - 20f);
    
    pres.Save("LayoutDrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Getting the properties of a Presentation

Source: https://reference.aspose.com/slides/net/aspose.slides/presentationfactory

The following example shows how to getting the properties of a Presentation.

```csharp
[C#]
IPresentationInfo info = PresentationFactory.Instance.GetPresentationInfo("pres.pptx");
IDocumentProperties props = info.ReadDocumentProperties();
Console.WriteLine(props.CreatedTime);
Console.WriteLine(props.Subject);
Console.WriteLine(props.Title);
// ..
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathrightsubsuperscriptelement

Example of creating an IMathRightSubSuperscriptElement.

```csharp
IMathRightSubSuperscriptElement subsuperscript = new MathematicalText("N").SetSubSuperscriptOnTheRight("i", "j");
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathportion/mathportion

Example of using MathPortion.

```C#
using (Presentation pres = new Presentation())
{
    IAutoShape shape = pres.Slides[0].Shapes.AddMathShape(0, 0, 300, 50);
    IParagraph paragraph = shape.TextFrame.Paragraphs[0];
    MathPortion mathPortion = new MathPortion();
    paragraph.Portions.Add(mathPortion);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/textframeformat/geteffective

This example demonstrates getting some of effective text frame formatting properties.

```csharp
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
    IAutoShape shape = pres.Slides[0].Shapes[0] as IAutoShape;
    ITextFrameFormatEffectiveData effectiveTextFrameFormat = shape.TextFrame.TextFrameFormat.GetEffective();
   
    Console.WriteLine("Anchoring type: " + effectiveTextFrameFormat.AnchoringType);
    Console.WriteLine("Autofit type: " + effectiveTextFrameFormat.AutofitType);
    Console.WriteLine("Text vertical type: " + effectiveTextFrameFormat.TextVerticalType);
    Console.WriteLine("Margins");
    Console.WriteLine("   Left: " + effectiveTextFrameFormat.MarginLeft);
    Console.WriteLine("   Top: " + effectiveTextFrameFormat.MarginTop);
    Console.WriteLine("   Right: " + effectiveTextFrameFormat.MarginRight);
    Console.WriteLine("   Bottom: " + effectiveTextFrameFormat.MarginBottom);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathblock

Demonstrates the basic instantiation of an IMathBlock.

```csharp
IMathBlock mathBlock = new MathBlock();

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomframe/summaryzoomcollection

The example demonstrates getting Summary Zoom Section element by index:

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = pres.Slides[1].Shapes[0] as ISummaryZoomFrame;
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.export/ipptxoptions/zip64mode

Example of using Zip64Mode property.

```csharp
using (Presentation pres = new Presentation("demo.pptx"))
{
    pres.Save("demo-zip64.pptx", SaveFormat.Pptx, new PptxOptions()
    {
        Zip64Mode = Zip64Mode.Always
    });
}
```

--------------------------------

### Example of getting Summary Zoom Section element by index

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsectioncollection/addsummaryzoomsection

Demonstrates getting a Summary Zoom Section element by index.

```csharp
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    ISummaryZoomSection newZoomSection = collection.AddSummaryZoomSection(pres.Sections[3]);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathlimit

Demonstrates how to create an IMathLimit object.

```csharp
IMathLimit limitElement = new MathLimit(new MathematicalText("lim"), new MathematicalText("𝑛→∞"));

```

--------------------------------

### ToArray() Example

Source: https://reference.aspose.com/slides/net/aspose.slides/ifontfallbackrule/toarray

Example demonstrating how to use the ToArray() method to get all font names as an array.

```csharp
[C#]
// Create a rule contains a list of fonts.
IFontFallBackRule newRule = new FontFallBackRule(0x3040, 0x309F, "MS Mincho, MS Gothic, Tahoma, Times New Roman");

//Get all font-names as array
string[] fontNames = newRule.ToArray();

```

--------------------------------

### Converting presentations to XPS using custom settings.

Source: https://reference.aspose.com/slides/net/aspose.slides.export/xpsoptions

This example shows how to convert a presentation to XPS format with custom settings, such as converting metafiles to PNG.

```C#
// Instantiate a Presentation object that represents a presentation file
using (Presentation pres = new Presentation("Convert_XPS_Options.pptx"))
{
    // Instantiate the TiffOptions class
    XpsOptions options = new XpsOptions();
    // Save MetaFiles as PNG
    options.SaveMetafilesAsPng = true;
    // Save the presentation to XPS document
    pres.Save("XPS_With_Options_out.xps", SaveFormat.Xps, options);
}
```

--------------------------------

### Example of removing a Summary Zoom Section

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsectioncollection/removesummaryzoomsection

The example demonstrates getting Summary Zoom Section element by index and then removing it.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    collection.RemoveSummaryZoomSection(pres.Sections[1]);
}
```

--------------------------------

### RotationX Property

Source: https://reference.aspose.com/slides/net/aspose.slides.charts/irotation3d/rotationx

Example of how to get and set the RotationX property.

```csharp
public sbyte RotationX { get; set; }
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathbar

Example of creating an IMathBar.

```csharp
[C#]
IMathBar mathBar = new MathBar(new MathematicalText("x"));

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/hyperlink/sound

Extract the hyperlink sound in byte array

```csharp
using (Presentation presentation = new Presentation("demo.pptx"))
{
    ISlide slide = presentation.Slides[0];
    
    // Get the first shape hyperlink
    IHyperlink link = presentation.Slides[0].Shapes[0].HyperlinkClick;
       
    if (link.Sound != null)
    {
        // Extract the hyperlink sound in byte array
        byte[] audioData = link.Sound.BinaryData;
    }
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.charts/chartdataworkbook/calculateformulas

Example shows how to assign a formula to the cell and to calculate a value. The value of the “B4” cell is getting set to 5.

```csharp
[C#]
using (Presentation pres = new Presentation())
{
    IChart chart = pres.Slides[0].Shapes.AddChart(ChartType.Pie, 100, 100, 300, 400);
    IChartDataWorkbook wb = chart.ChartData.ChartDataWorkbook;
    wb.GetCell(0, "B2", 2);	
	wb.GetCell(0, "B3", 3);	
    wb.GetCell(0, "B4").Formula = "B2+B3";
    wb.CalculateFormulas();
    ...
}
```

--------------------------------

### Example for Presentation(Stream)

Source: https://reference.aspose.com/slides/net/aspose.slides/presentation/presentation

Demonstrates how to read an existing Presentation from a file stream.

```C#
[C#]

FileStream fis = new FileStream("demo.pptx", FileMode.Open, FileAccess.Read);
Presentation pres = new Presentation(fis);
fis.Close();
```

```Visual Basic
[Visual Basic]

Dim fis As FileStream = New FileStream("demo.pptx", FileMode.Open, FileAccess.Read)
Dim pres As Presentation = New Presentation(fis)
fis.Close()
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/threedformat/geteffective

This example demonstrates how to get effective properties for camera, light rig and shape’s top bevel.

```csharp
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
    IThreeDFormatEffectiveData threeDEffectiveData = pres.Slides[0].Shapes[0].ThreeDFormat.GetEffective();

    Console.WriteLine("= Effective camera properties =");
    Console.WriteLine("Type: " + threeDEffectiveData.Camera.CameraType);
    Console.WriteLine("Field of view: " + threeDEffectiveData.Camera.FieldOfViewAngle);
    Console.WriteLine("Zoom: " + threeDEffectiveData.Camera.Zoom);

    Console.WriteLine("= Effective light rig properties =");
    Console.WriteLine("Type: " + threeDEffectiveData.LightRig.LightType);
    Console.WriteLine("Direction: " + threeDEffectiveData.LightRig.Direction);

    Console.WriteLine("= Effective shape's top face relief properties =");
    Console.WriteLine("Type: " + threeDEffectiveData.BevelTop.BevelType);
    Console.WriteLine("Width: " + threeDEffectiveData.BevelTop.Width);
    Console.WriteLine("Height: " + threeDEffectiveData.BevelTop.Height);
}

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/browsedatkiosk/browsedatkiosk

Example of using BrowsedAtKiosk to set the slide show type.

```csharp
[C#]
using (Presentation pres = new Presentation())
{
    pres.SlideShowSettings.SlideShowType = new BrowsedAtKiosk();
    pres.Save("pres.pptx", SaveFormat.Pptx);
}

```

--------------------------------

### IMathFunction.Name Property Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathfunction/name

Demonstrates how to get the name of a math function.

```C#
IMathFunction func = new MathematicalText("sin").Function("x");
IMathElement funcName = func.Name;
```

--------------------------------

### MathBlock() Constructor Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathblock/mathblock

Example of initializing a MathBlock object.

```csharp
[C#]
MathBlock mathBlock = new MathBlock();
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.ink/iinkbrush/inkeffect

Demonstrates how to get the InkEffect property of an IInkBrush.

```C#
using (var pres = new Presentation("Presentation.pptx"))
{
    Ink ink = pres.Slides[0].Shapes[0] as Ink;
    IInkBrush brush = ink.Traces[0].Brush;
    Console.WriteLine("InkEffects = {0}", brush.InkEffect);
}
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathradical

Example of creating a radical with a base and degree.

```csharp
IMathRadical radical = new MathematicalText("x").Radical("3"); // cube root
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.excel/exceldatacell/column

Demonstrates how to get the column index of an Excel data cell.

```csharp
[C#]
ExcelDataWorkbook wb = new ExcelDataWorkbook(testFile);
IExcelDataCell cell = wb.GetCell(1, 1, 1);
Console.WriteLine(cell.Column); //Output: 1

```

--------------------------------

### IControl.ClassId Property

Source: https://reference.aspose.com/slides/net/aspose.slides/icontrol/classid

Gets class id of this control. Read-only Guid.

```csharp
public Guid ClassId { get; }
```

--------------------------------

### Example Usage of Insert

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathblock/insert

Example demonstrating how to use the Insert method to add a MathRadical to a MathBlock.

```csharp
MathBlock mathBlock = new MathBlock(new MathematicalText("x"));
MathematicalText plusElement = new MathematicalText("+");
mathBlock.Add(plusElement);
mathBlock.Insert(0, new MathRadical(new MathematicalText("x"), new MathematicalText("3")));
```

--------------------------------

### CommentAuthor.Initials Property Example

Source: https://reference.aspose.com/slides/net/aspose.slides/commentauthor/initials

Demonstrates how to get or set the initials of a CommentAuthor.

```csharp
public string Initials { get; set; }
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.export/presentationplayer

This example demonstrates how to play animation with different FPS.

```C#
using (Presentation pres = new Presentation("pres.pptx"))
{
    using (var animationsGenerator = new PresentationAnimationsGenerator(pres))
    {
        // Play animation with 33 FPS
        using (var player = new PresentationPlayer(animationsGenerator, 33))
        {
            player.FrameTick += (sender, args) =>
            {
                args.GetFrame().Save(Path.Combine("33fps", $"frame_{sender.FrameIndex}.png"));
            };

            animationsGenerator.Run(pres.Slides);
        }
        
        // Play animation with 45 FPS
        using (var player = new PresentationPlayer(animationsGenerator, 45))
        {
            player.FrameTick += (sender, args) =>
            {
                args.GetFrame().Save(Path.Combine("45fps", $"frame_{sender.FrameIndex}.png"));
            };

            animationsGenerator.Run(pres.Slides);
        }
    }
}
```

--------------------------------

### Example: Constructor from Text and Format

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathematicaltext/mathematicaltext

Demonstrates creating a MathematicalText object with text and custom formatting.

```csharp
IPortionFormat format = new PortionFormat() { FontHeight = 12 };
MathematicalText mathText = new MathematicalText("x+y", format);

```

--------------------------------

### MarginLeft Property

Source: https://reference.aspose.com/slides/net/aspose.slides/cell/marginleft

Example of how to get and set the MarginLeft property of a Cell object.

```csharp
public double MarginLeft { get; set; }
```

--------------------------------

### Example of getting effective fill format

Source: https://reference.aspose.com/slides/net/aspose.slides/cellformat/geteffective

This example demonstrates getting effective fill format for different table logic parts. Please note that cell formatting always has higher priority than row formatting, row - higher than column, column - higher that whole table. So finally CellFormatEffectiveData properties always used to draw the table. The following code is just an example of API.

```csharp
[C#]
using (Presentation pres = new Presentation(@"MyPresentation.pptx"))
{
    ITable tbl = pres.Slides[0].Shapes[0] as ITable;
    IFillFormatEffectiveData tableFillFormatEffective = tbl.TableFormat.GetEffective().FillFormat;
    IFillFormatEffectiveData rowFillFormatEffective = tbl.Rows[0].RowFormat.GetEffective().FillFormat;
    IFillFormatEffectiveData columnFillFormatEffective = tbl.Columns[0].ColumnFormat.GetEffective().FillFormat;
    IFillFormatEffectiveData cellFillFormatEffective = tbl[0, 0].CellFormat.GetEffective().FillFormat;
    /* Output and comparison */
}

```

--------------------------------

### Getting Summary Zoom Section element by index

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsectioncollection/item

The example demonstrates getting Summary Zoom Section element by index:

```csharp
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    ISummaryZoomSection zoomSection = collection[1];
}
```

--------------------------------

### Example Usage of Count Property

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathblock/count

Demonstrates how to get the count of elements in a MathBlock.

```csharp
[C#]
MathBlock mathBlock = new MathBlock(new MathematicalText("x"));
int count = mathBlock.Count;

```

--------------------------------

### Example of using Delimit method

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathblock/delimit

Example demonstrating how to use the Delimit method to delimit math elements.

```csharp
[C#]
MathBlock mathBlock = new MathematicalText("x").Join("y");
IMathDelimiter delimiterElement = mathBlock.Delimit('|');

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathfraction

Demonstrates how to create and use IMathFraction objects.

```csharp
[C#]
IMathFraction mathFraction = new MathematicalText("x").Divide("y");
IMathFraction mathFraction2 = new MathFraction(new MathematicalText("x"), new MathematicalText("y"), MathFractionTypes.Linear);

```

--------------------------------

### GetVisualBounds Method

Source: https://reference.aspose.com/slides/net/aspose.slides/shape/getvisualbounds

Example of how to get the visual bounds of a shape.

```csharp
public RectangleF GetVisualBounds()
```

--------------------------------

### Example: Creating an IMathArray

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imatharray

Demonstrates how to create an instance of IMathArray with an initial item.

```csharp
[C#]
IMathArray mathArray = new MathArray(new MathematicalText("item1"));

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/oleobjectframe/linkpathrelative

Demonstrates how to get the relative path of a linked OLE object.

```csharp
[C#]
using (Presentation presentation = new Presentation("demo.ppt"))
{
    IOleObjectFrame oleFrame = presentation.Slides[0].Shapes[0] as IOleObjectFrame;

    if (oleFrame != null)
    {
        Console.WriteLine("The relative path: " + oleFrame.LinkPathRelative);
    } 
}

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathmatrix/mathmatrix

Example usage of the MathMatrix constructor.

```csharp
IMathMatrix matrix = new MathMatrix(2, 3);
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/ishape/getbaseplaceholder

get all (master/layout/slide) animated effects of the placeholder shape

```C#
[C#]
// get all (master/layout/slide) animated effects of the placeholder shape
using (Presentation pres = new Presentation("sample.pptx"))
{
    ISlide slide = pres.Slides[0];
    IShape shape = slide.Shapes[0];
    IEffect[] shapeEffects = slide.Timeline.MainSequence.GetEffectsByShape(shape);

    IShape layoutShape = shape.GetBasePlaceholder();
    IEffect[] layoutShapeEffects = slide.LayoutSlide.Timeline.MainSequence.GetEffectsByShape(layoutShape);

    IShape masterShape = layoutShape.GetBasePlaceholder();
    IEffect[] masterShapeEffects = slide.LayoutSlide.MasterSlide.Timeline.MainSequence.GetEffectsByShape(masterShape);
}


```

--------------------------------

### Example of Clearing Summary Zoom Sections

Source: https://reference.aspose.com/slides/net/aspose.slides/summaryzoomsectioncollection/clear

This C# example demonstrates how to get a Summary Zoom Section element by index and then clear the collection.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    collection.Clear();
}

```

--------------------------------

### Example Usage of InsertColumnAfter

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathmatrix/insertcolumnafter

An example demonstrating how to use the InsertColumnAfter method.

```csharp
[C#]
IMathMatrix matrix = new MathMatrix(2, 3);
matrix.InsertColumnAfter(0);

```

--------------------------------

### Example of getting Summary Zoom Section element by index

Source: https://reference.aspose.com/slides/net/aspose.slides/isummaryzoomsectioncollection/getsummarysection

This C# example demonstrates how to retrieve a Summary Zoom Section element using the GetSummarySection method.

```csharp
[C#]
using (Presentation pres = new Presentation("pres.pptx"))
{
    ISummaryZoomFrame zoomFrame = (ISummaryZoomFrame) pres.Slides[1].Shapes[0];
    ISummaryZoomSectionCollection collection = zoomFrame.SummaryZoomCollection;
    ISummaryZoomSection selectedObject = collection.GetSummarySection(pres.Sections[2]);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathphantom/mathphantom

Example of using MathPhantom with MathFraction.

```csharp
[C#]
IMathElement fraction = new MathFraction(
    new MathematicalText("1"),
    new MathematicalText("2"));

```

--------------------------------

### ToArray(int, int) Example

Source: https://reference.aspose.com/slides/net/aspose.slides/ifontfallbackrule/toarray

Example demonstrating how to use the ToArray(int, int) method to get a specified number of font names from a range as an array.

```csharp
[C#]
// Create a rule contains a list of fonts.
IFontFallBackRule newRule = new FontFallBackRule(0x3040, 0x309F, "MS Mincho, MS Gothic, Tahoma, Times New Roman");

//Get a last two font-names as array
string[] fontNames = newRule.ToArray(2,2);

```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/masterhandoutslide/drawingguides

Adding a new horizontal drawing guide above the slide center.

```C#
using (Presentation pres = new Presentation()){
    var notesSize = pres.NotesSize.Size;
    
    IDrawingGuidesCollection guides = pres.MasterHandoutSlideManager.SetDefaultMasterHandoutSlide().DrawingGuides;
    // Adding the new horizontal drawing guide above the slide center
    guides.Add(Orientation.Horizontal, notesSize.Height / 2 - 50f);
    
    pres.Save("MasterHandoutDrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.export/ihtml5options

This example demonstrates how to set animation options for shapes and transitions when exporting to HTML5.

```C#
using (Presentation pres = new Presentation("demo.pptx"))
{
  pres.Save("demo-animate-shapes-and-transitions.html", SaveFormat.Html5, new Html5Options()
  {
      AnimateShapes = true,
      AnimateTransitions = true
  });
}
```

--------------------------------

### SetUpperLimit(IMathElement)

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathelementbase/setupperlimit

Takes upper limit

```csharp
public IMathLimit SetUpperLimit(IMathElement limit)
```

--------------------------------

### FillType Property Example

Source: https://reference.aspose.com/slides/net/aspose.slides/fillformat/filltype

Demonstrates how to get or set the FillType property of a FillFormat object.

```csharp
public FillType FillType { get; set; }
```

--------------------------------

### Manager Property

Source: https://reference.aspose.com/slides/net/aspose.slides/documentproperties/manager

Example of how to get and set the Manager property.

```csharp
public string Manager { get; set; }
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathparagraph/item

Demonstrates how to add MathBlocks to a MathParagraph and access them by index.

```C#
IAutoShape shape = slide.Shapes.AddMathShape(x, y, width, height);
IMathParagraph mathParagraph = (shape.TextFrame.Paragraphs[0].Portions[0] as MathPortion).MathParagraph;
mathParagraph.Add(new MathBlock(new MathematicalText("block1")));
mathParagraph.Add(new MathBlock(new MathematicalText("block2")));
IMathBlock block = mathParagraph[1];
```

--------------------------------

### Control.ClassId Property

Source: https://reference.aspose.com/slides/net/aspose.slides/control/classid

Gets class id of this control. Read-only Guid.

```csharp
public Guid ClassId { get; set; }
```

--------------------------------

### Example for ToTiff(Presentation, string, ITiffOptions, bool)

Source: https://reference.aspose.com/slides/net/aspose.slides.lowcode/convert/totiff

Demonstrates how to convert a presentation to TIFF format with custom options and control multi-page output.

```csharp
ITiffOptions options = new TiffOptions()
{
    CompressionType = TiffCompressionTypes.CCITT3,
    SlidesLayoutOptions = new NotesCommentsLayoutingOptions()
    {
        NotesPosition = NotesPositions.BottomTruncated
    }
};

using (var pres = new Presentation("pres.pptx"))
   Convert.ToTiff(pres, "pres.tiff", options, false);
```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathfraction/fractiontype

Example of setting the FractionType property.

```csharp
[C#]
IMathFraction mathFraction = new MathematicalText("x").Divide("y");
mathFraction.FractionType = MathFractionTypes.Linear;

```

--------------------------------

### Example Usage

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/imathmatrix/columncount

Demonstrates how to get the column count of a matrix.

```csharp
[C#]
IMathMatrix matrix = new MathMatrix(2, 3);
int columnCount = matrix.ColumnCount;

```

--------------------------------

### Category Property

Source: https://reference.aspose.com/slides/net/aspose.slides/documentproperties/category

Example of how to get and set the Category property of a presentation.

```csharp
public string Category { get; set; }
```

--------------------------------

### SetLicense(Stream) Example

Source: https://reference.aspose.com/slides/net/aspose.slides/ilicense/setlicense

Example of how to set a license using a stream.

```csharp
License license = new License();
license.SetLicense(myStream);
```

```vb
Dim license as License = new License
license.SetLicense(myStream)
```

--------------------------------

### Comment.Text Property

Source: https://reference.aspose.com/slides/net/aspose.slides/comment/text

Example of how to get or set the plain text of a slide comment.

```csharp
public string Text { get; set; }
```

--------------------------------

### Height Property

Source: https://reference.aspose.com/slides/net/aspose.slides/bulletformat/height

Example of how to get and set the bullet height property.

```csharp
public float Height { get; set; }
```

--------------------------------

### Examples

Source: https://reference.aspose.com/slides/net/aspose.slides/ilicense

In this example, an attempt will be made to find a license file named MyLicense.lic in the folder that contains the component, in the folder that contains the calling assembly, in the folder of the entry assembly and then in the embedded resources of the calling assembly.

```csharp
License license = new License();
license.SetLicense("MyLicense.lic");
```

```vb
Dim license As license = New license
License.SetLicense("MyLicense.lic")
```

--------------------------------

### Example Usage

Source: https://reference.aspose.com/slides/net/aspose.slides.excel/exceldatacell/row

Demonstrates how to get the row index of an Excel data cell.

```csharp
[C#]
ExcelDataWorkbook wb = new ExcelDataWorkbook(testFile);
IExcelDataCell cell = wb.GetCell(1, 1, 1);
Console.WriteLine(cell.Row); //Output: 1

```

--------------------------------

### Example Usage

Source: https://reference.aspose.com/slides/net/aspose.slides/license/resetlicense

Demonstrates how to reset the license using the License class.

```csharp
License license = new License();
license.ResetLicense();
```

```vb
Dim license as License = new License
license.ResetLicense()
```

--------------------------------

### IDrawingGuide interface

Source: https://reference.aspose.com/slides/net/aspose.slides/idrawingguide

Represents an adjustable drawing guide.

```csharp
public interface IDrawingGuide

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/imasternotesslide/drawingguides

Adds a new horizontal drawing guide below the slide center to the master notes slide.

```C#
using (Presentation pres = new Presentation())
{
    var notesSize = pres.NotesSize.Size;
    
    IDrawingGuidesCollection guides = pres.MasterNotesSlideManager.SetDefaultMasterNotesSlide().DrawingGuides;
    // Adding the new horizontal drawing guide below the slide center
    guides.Add(Orientation.Horizontal, notesSize.Height / 2 + 50f);
    
    pres.Save("MasterNotesDrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### DrawingGuides

Source: https://reference.aspose.com/slides/net/aspose.slides/imasterhandoutslide/drawingguides

Example of how to add a horizontal drawing guide to the master handout slide.

```csharp
using (Presentation pres = new Presentation())
{
    var notesSize = pres.NotesSize.Size;
    
    IDrawingGuidesCollection guides = pres.MasterHandoutSlideManager.SetDefaultMasterHandoutSlide().DrawingGuides;
    // Adding the new horizontal drawing guide above the slide center
    guides.Add(Orientation.Horizontal, notesSize.Height / 2 - 50f);
    
    pres.Save("MasterHandoutDrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### Example Usage of MathBorderBox Constructor with Options

Source: https://reference.aspose.com/slides/net/aspose.slides.mathtext/mathborderbox/mathborderbox

Example demonstrating the creation of a MathBorderBox with specific border hiding and strikethrough settings.

```csharp
[C#]
MathBorderBox borderBox = new MathBorderBox(new MathematicalText("x"), true, true, true, false, true, true, true, true)

```

--------------------------------

### Example

Source: https://reference.aspose.com/slides/net/aspose.slides/videoframe/trimfromstart

Sets the trimming start time to 1 second and trimming end time to 2 seconds.

```csharp
using (Presentation pres = new Presentation())
{
    ISlide slide = pres.Slides[0];
    IVideo video = pres.Videos.AddVideo(File.ReadAllBytes("video.mp4"));
    var videoFrame = slide.Shapes.AddVideoFrame(0, 0, 100, 100, video);

    //set triming start time 1sec
    videoFrame.TrimFromStart = 1000f;

    //set triming end time 2sec
    videoFrame.TrimFromEnd = 2000f;
}
```

--------------------------------

### Add new drawing guides

Source: https://reference.aspose.com/slides/net/aspose.slides/commonslideviewproperties/drawingguides

Shows how to add new drawing guides to a PowerPoint presentation.

```csharp
[C#]
using (Presentation pres = new Presentation())
{
    var slideSize = pres.SlideSize.Size;
    
    IDrawingGuidesCollection guides = pres.ViewProperties.SlideViewProperties.DrawingGuides;
    // Adding the new vertical drawing guide to the right of the slide center
    guides.Add(Orientation.Vertical, slideSize.Width / 2 + 12.5f);
    // Adding the new horizontal drawing guide below the slide center
    guides.Add(Orientation.Horizontal, slideSize.Height / 2 + 12.5f);
    
    pres.Save("DrawingGuides_out.pptx", SaveFormat.Pptx);
}
```

--------------------------------

### AudioFrame.TrimFromStart Property

Source: https://reference.aspose.com/slides/net/aspose.slides/audioframe/trimfromstart

This example demonstrates how to set the start trimming time for an audio frame.

```C#
using (Presentation pres = new Presentation())
{
    IAudio audio = pres.Audios.AddAudio(File.ReadAllBytes("sampleaudio.mp3"));
    IAudioFrame audioFrame = pres.Slides[0].Shapes.AddAudioFrameEmbedded(50, 50, 100, 100, audio);

    // Set the start trimming time 1.5 seconds
    audioFrame.TrimFromStart = 1500f;
}
```