D3DImage.PixelWidth Property (System.Windows.Interop)

.NET Framework Class Library

D3DImage..::.PixelWidth Property

Gets the width of the D3DImage, in pixels.

Namespace: System.Windows.Interop
Assembly: PresentationCore (in PresentationCore.dll)

Public ReadOnly Property PixelWidth As Integer
	Get

public int PixelWidth { get; }

public:
property int PixelWidth {
	int get ();
}

member PixelWidth : int

Property Value

Type: System..::.Int32
The width of the D3DImage, in pixels.

Remarks

The value of PixelWidth can change when a new back buffer is assigned by a call to the SetBackBuffer method.

Examples

The following code example shows how to use the PixelWidth property to specify the changed region in the back buffer. For more information, see Walkthrough: Hosting Direct3D9 Content in WPF.


d3dimg.Lock();
// Repeatedly calling SetBackBuffer with the same IntPtr is 
// a no-op. There is no performance penalty.
d3dimg.SetBackBuffer(D3DResourceType.IDirect3DSurface9, pSurface);
HRESULT.Check(Render());
d3dimg.AddDirtyRect(new Int32Rect(0, 0, d3dimg.PixelWidth, d3dimg.PixelHeight));
d3dimg.Unlock();

Version Information

.NET Framework

Supported in: 4, 3.5 SP1, 3.0 SP2

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

D3DImage Class

System.Windows.Interop Namespace

PixelHeight

SetBackBuffer

Other Resources

Walkthrough: Hosting Direct3D9 Content in WPF

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