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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
)
You cannot use methods in XAML.

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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0
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