IDirect3DRMDevice2::AddUpdateCallback

Adds a callback function that alerts the application when a change occurs to the device. The system calls this callback function whenever the application calls the IDirect3DRMDevice2::Update method.

HRESULT AddUpdateCallback(
D3DRMUPDATECALLBACK d3drmUpdateProc,
LPVOID arg
);

Parameters

d3drmUpdateProc

Address of an application-defined callback function, D3DRMUPDATECALLBACK.

arg

Private data to be passed to the update callback function.

Return Values

Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.

See Also

IDirect3DRMDevice2::DeleteUpdateCallback, IDirect3DRMDevice2::Update, D3DRMUPDATECALLBACK