Viewport2DVisual3D.IsVisualHostMaterial Attached Property

 
System_CAPS_noteNote

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Gets or sets a value that specifies whether a material should be interactive.

Namespace:   System.Windows.Media.Media3D
Assembly:  PresentationCore (in PresentationCore.dll)

See GetIsVisualHostMaterial, SetIsVisualHostMaterial

Property Value

Type: System.Boolean

true if the material should be interactive; otherwise, false. The default is false.

You must set the IsVisualHostMaterial attached property on the material on which you wish to have the 2-D visual placed.

IsVisualHostMaterial is introduced in the .NET Framework version 3.5.

Identifier field

IsVisualHostMaterialProperty

Metadata properties set to true

None

The following example shows how to specify the material where the 2-D visual (the button) should be placed by setting the Material property and also setting the IsVisualHostMaterial attached property to true:

<Viewport3D>
    <Viewport3D.Camera>
        <PerspectiveCamera Position="0, 0, 4"/>
    </Viewport3D.Camera>

    <!-- Button on 3D -->
    <Viewport2DVisual3D>
        <!-- Give the plane a slight rotation -->
        <Viewport2DVisual3D.Transform>
            <RotateTransform3D>
                <RotateTransform3D.Rotation>
                    <AxisAngleRotation3D Angle="40" Axis="0, 1, 0" />
                </RotateTransform3D.Rotation>
            </RotateTransform3D>
        </Viewport2DVisual3D.Transform>

        <!-- The Geometry, Material, and Visual for the Viewport2DVisual3D -->
        <Viewport2DVisual3D.Geometry>
            <MeshGeometry3D Positions="-1,1,0 -1,-1,0 1,-1,0 1,1,0"
                            TextureCoordinates="0,0 0,1 1,1 1,0" TriangleIndices="0 1 2 0 2 3"/>
        </Viewport2DVisual3D.Geometry>

        <Viewport2DVisual3D.Material>
            <DiffuseMaterial Viewport2DVisual3D.IsVisualHostMaterial="True" Brush="White"/>
        </Viewport2DVisual3D.Material>                               

        <Button>Hello, 3D</Button>
    </Viewport2DVisual3D>

    <!-- Lights -->
    <ModelVisual3D>
        <ModelVisual3D.Content>
            <DirectionalLight Color="#FFFFFFFF" Direction="0,0,-1"/>
        </ModelVisual3D.Content>
    </ModelVisual3D>
</Viewport3D>

For the complete sample, see Interactive 2-D on 3-D Sample.

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