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47 lines
3.5 KiB
Markdown
47 lines
3.5 KiB
Markdown
---
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title: "How to: Create a Composite Drawing"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "drawings [WPF], composite"
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- "composite drawings [WPF]"
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- "graphics [WPF], composite drawings"
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ms.assetid: 066eb0ab-5f0e-439d-85c6-dca60af269fc
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---
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# How to: Create a Composite Drawing
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This example shows how to use a <xref:System.Windows.Media.DrawingGroup> to create complex drawings by combining multiple <xref:System.Windows.Media.Drawing> objects into a single composite drawing.
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## Example
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The following example uses a <xref:System.Windows.Media.DrawingGroup> to create a composite drawing from the <xref:System.Windows.Media.GeometryDrawing> and <xref:System.Windows.Media.ImageDrawing> objects. The following illustration shows the output that this example produces.
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A composite drawing that is created by using DrawingGroup
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Note the gray border, which shows the bounds of the drawing.
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[!code-csharp[DrawingMiscSnippets_snip#GraphicsMMSimpleDrawingGroupExample](~/samples/snippets/csharp/VS_Snippets_Wpf/DrawingMiscSnippets_snip/CSharp/DrawingGroupExample.cs#graphicsmmsimpledrawinggroupexample)]
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[!code-xaml[DrawingMiscSnippets_snip#GraphicsMMSimpleDrawingGroupExample](~/samples/snippets/xaml/VS_Snippets_Wpf/DrawingMiscSnippets_snip/XAML/DrawingGroupExample.xaml#graphicsmmsimpledrawinggroupexample)]
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You can use a <xref:System.Windows.Media.DrawingGroup> to apply a <xref:System.Windows.Media.DrawingGroup.Transform%2A>, <xref:System.Windows.Media.DrawingGroup.Opacity%2A> setting, <xref:System.Windows.Media.DrawingGroup.OpacityMask%2A>, <xref:System.Windows.Media.DrawingGroup.BitmapEffect%2A>, <xref:System.Windows.Media.DrawingGroup.ClipGeometry%2A>, or <xref:System.Windows.Media.DrawingGroup.GuidelineSet%2A> to the drawings it contains. Because a <xref:System.Windows.Media.DrawingGroup> is also a <xref:System.Windows.Media.Drawing>, it can contain other <xref:System.Windows.Media.DrawingGroup> objects.
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The following example is similar to the preceding example, except that it uses additional <xref:System.Windows.Media.DrawingGroup> objects to apply bitmap effects and an opacity mask to some of its drawings. The following illustration shows the output that this example produces.
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Composite drawing that has multiple DrawingGroup objects
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Note the gray border, which shows the bounds of the drawing.
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[!code-csharp[DrawingMiscSnippets_snip#GraphicsMMMultipleDrawingGroupsExample](~/samples/snippets/csharp/VS_Snippets_Wpf/DrawingMiscSnippets_snip/CSharp/DrawingGroupExample.cs#graphicsmmmultipledrawinggroupsexample)]
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[!code-xaml[DrawingMiscSnippets_snip#GraphicsMMMultipleDrawingGroupsExample](~/samples/snippets/xaml/VS_Snippets_Wpf/DrawingMiscSnippets_snip/XAML/DrawingGroupExample.xaml#graphicsmmmultipledrawinggroupsexample)]
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For more information about <xref:System.Windows.Media.Drawing> objects, see [Drawing Objects Overview](drawing-objects-overview.md).
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## See also
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- <xref:System.Windows.Media.DrawingGroup.BitmapEffect%2A>
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- <xref:System.Windows.Media.DrawingGroup.Transform%2A>
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- <xref:System.Windows.Media.DrawingGroup.OpacityMask%2A>
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- <xref:System.Windows.Media.DrawingGroup.Opacity%2A>
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- <xref:System.Windows.Media.DrawingGroup.ClipGeometry%2A>
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- <xref:System.Windows.Media.DrawingGroup.GuidelineSet%2A>
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- [Drawing Objects Overview](drawing-objects-overview.md)
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