D3DImage.CopyBackBuffer Method
Definition
Important
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Creates a software copy of the D3DImage.
protected public:
virtual System::Windows::Media::Imaging::BitmapSource ^ CopyBackBuffer();[System.Security.SecurityCritical]
[System.Security.SecurityTreatAsSafe]
protected internal virtual System.Windows.Media.Imaging.BitmapSource CopyBackBuffer ();protected internal virtual System.Windows.Media.Imaging.BitmapSource CopyBackBuffer ();[<System.Security.SecurityCritical>]
[<System.Security.SecurityTreatAsSafe>]
abstract member CopyBackBuffer : unit -> System.Windows.Media.Imaging.BitmapSource
override this.CopyBackBuffer : unit -> System.Windows.Media.Imaging.BitmapSourceabstract member CopyBackBuffer : unit -> System.Windows.Media.Imaging.BitmapSource
override this.CopyBackBuffer : unit -> System.Windows.Media.Imaging.BitmapSourceProtected Friend Overridable Function CopyBackBuffer () As BitmapSourceReturns
A BitmapSource that is a software copy of the current state of the back buffer; otherwise, null if the back buffer cannot be read.
- Attributes
Remarks
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 null.
Applies to
See also
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