Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Provides direct access to the ICanvasPixelArray RGBA buffer from native code (such as an ActiveX control, Browser Helper Object (BHO), or WebBrowser control (WebOC) host).
.png){kind=icon} |
Syntax
HRESULT retVal = object.GetBufferPointer(ppBuffer, pBufferLength);
Parameters
ppBuffer [out]
Type: BYTEAddress of a pointer to the ICanvasPixelArray RGBA buffer.
pBufferLength [out]
Type: unsigned longLength of buffer in bytes.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
This interface provides access to the ICanvasPixelArray data for COM-based code. JavaScript code can access the ICanvasPixelArray object using array syntax.