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WriteableBitmap.WritePixels Method (Int32Rect, IntPtr, Int32, Int32)

Updates the pixels in the specified region of the bitmap.

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

public void WritePixels(
	Int32Rect sourceRect,
	IntPtr buffer,
	int bufferSize,
	int stride
)

Parameters

sourceRect
Type: System.Windows.Int32Rect
The rectangle of the WriteableBitmap to update.
buffer
Type: System.IntPtr
The input buffer used to update the bitmap.
bufferSize
Type: System.Int32
The size of the input buffer.
stride
Type: System.Int32
The stride of the update region in buffer.

ExceptionCondition
ArgumentOutOfRangeException

One or more of the following conditions is true.

sourceRect falls outside the bounds of the WriteableBitmap.

bufferSize < 1

stride < 1

ArgumentNullException

buffer is null.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

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