ISurfaceImageSourceNative::BeginDraw method
Opens the supplied DXGI surface for drawing.
Syntax
HRESULT BeginDraw(
[in] RECT updateRect,
[out] IDXGISurface **pSurface,
[out] POINT *offset
);
Parameters
- updateRect [in]
-
The region of the surface that will be drawn into.
- pSurface [out]
-
Receives a pointer to the surface for drawing.
- offset [out]
-
Receives the point (x,y) offset of the surface that will be drawn into.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
If the app window that contains the SurfaceImageSource isn't active, like when it's suspended, calling the BeginDraw method returns an error.
Requirements
|
Minimum supported client |
Windows 8.1 [Windows Store apps only] |
|---|---|
|
Minimum supported server |
Windows Server 2012 R2 [Windows Store apps only] |
|
Header |
|
|
IDL |
|
|
DLL |
|
See also
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