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GeometryCombineMode Enumeration

Specifies the different methods by which two geometries can be combined.

Namespace: System.Windows.Media
Assembly: PresentationCore (in presentationcore.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public enum GeometryCombineMode
public enum GeometryCombineMode
public enum GeometryCombineMode
<object property="EnumerationValue" .../>

 Member nameDescription
ExcludeThe second region is excluded from the first. Given two geometries, A and B, the area of geometry B is removed from the area of geometry A, producing a region that is A - B
IntersectThe two regions are combined by taking their intersection. The new area consists of the overlapping region between the two geometries.  
UnionThe two regions are combined by taking the union of both. The resulting geometry is geometry A + geometry B
XorThe two regions are combined by taking the area that exists in the first region but not the second and the area that exists in the second region but not the first. The new region consists of (A-B) + (B-A), where A and B are geometries.  

The following illustration shows the different geometry combine modes.

Geometry Combine Modes


Different combine modes applied to two geometries

The following example shows how to combine two geometries using the Union combine mode.

<Path Stroke="Black" StrokeThickness="1" Fill="#CCCCFF">
  <Path.Data>
    
    <!-- Combines two geometries using the union combine mode. -->
    <CombinedGeometry GeometryCombineMode="Union">
      <CombinedGeometry.Geometry1>
        <EllipseGeometry RadiusX="50" RadiusY="50" Center="75,75" />
      </CombinedGeometry.Geometry1>
      <CombinedGeometry.Geometry2>
        <EllipseGeometry RadiusX="50" RadiusY="50" Center="125,75" />
      </CombinedGeometry.Geometry2>
    </CombinedGeometry>
  </Path.Data>
</Path>

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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