// d3dumddi.h
typedef struct _D3DDDICB_UPDATEOVERLAY {
[in] D3DKMT_HANDLE hKernelOverlay;
[in] D3DDDI_KERNELOVERLAYINFO OverlayInfo;
} D3DDDICB_UPDATEOVERLAY;
View the official Windows Driver Kit DDI referenceNo description available.
The D3DDDICB_UPDATEOVERLAY structure describes parameters for modifying an overlay.
hKernelOverlay [in]A D3DKMT_HANDLE data type that represents the kernel-mode handle that is returned by the pfnCreateOverlayCb function and that identifies the kernel-mode overlay object to modify.
OverlayInfo [in]A D3DDDI_KERNELOVERLAYINFO structure that describes modification information for the kernel-mode overlay object.