IPresentationSurface::SetSourceRect method (presentation.h)

Sets the area of the source presentation buffer to sample from.

Syntax

HRESULT SetSourceRect(
  const RECT *sourceRect
);

Parameters

sourceRect

Type: RECT

A rectangle that defines the area of the source presentation buffer to sample from.

Return value

Type: HRESULT

If the function succeeds, it returns S_OK; otherwise, it returns an HRESULT value that indicates the error.

Requirements