IDirect3DRMDevice::DeleteUpdateCallback
HRESULT DeleteUpdateCallback(D3DRMUPDATECALLBACK d3drmUpdateProc,
LPVOID arg);
Removes an update callback function that was added by calling the IDirect3DRMDevice::AddUpdateCallback method.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
d3drmUpdateProc
Address of an application-defined callback function, D3DRMUPDATECALLBACK.
arg
Private data that was passed to the update callback function.