IDARG_IN_GETDIRTYRECTS structure (iddcx.h)

Gives information about the parts of the surface that have changed since the last present.

Syntax

struct IDARG_IN_GETDIRTYRECTS {
  UINT DirtyRectInCount;
  RECT *pDirtyRects;
};

Members

DirtyRectInCount

[in] Number of dirty rects in the pDirtyRects array

pDirtyRects

[out] Pointer to the buffer where the OS can copy the dirty rects that indicate which parts of the surface have been changed since the last present.

Requirements