Export (0) Print
Expand All
This topic has not yet been rated - Rate this topic

D3DImage.CopyBackBuffer Method

Creates a software copy of the D3DImage.

Namespace:  System.Windows.Interop
Assembly:  PresentationCore (in PresentationCore.dll)
'Declaration
Protected Friend Overridable Function CopyBackBuffer As BitmapSource

Return Value

Type: System.Windows.Media.Imaging.BitmapSource
A BitmapSource that is a software copy of the current state of the back buffer; otherwise, Nothing if the back buffer cannot be read.

The CopyBackBuffer method is called by clients such as the printing system and the RenderTargetBitmap class.

Optionally override the CopyBackBuffer method to implement custom logic and return a different BitmapSource. For example, you can return a placeholder BitmapSource if the default CopyBackBuffer implementation returns Nothing.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5 SP1, 3.0 SP2

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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.

Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2014 Microsoft. All rights reserved.