Export (0) Print
Expand All

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)

'Declaration
Public Sub WritePixels ( _
	sourceRect As Int32Rect, _
	buffer As IntPtr, _
	bufferSize As Integer, _
	stride As Integer _
)

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 Nothing.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Show:
© 2014 Microsoft