|Microsoft DirectX 9.0|
Sets the user data in the address object. If there is user data in this address, it is overwritten by this call.
const void *const pvUserData, const DWORD dwDataSize );
- [in] Pointer to a buffer that contains the data to place in the user data section of the address. Set to NULL to clear the user data.
- [in] Size, in bytes, of the data in pvUserData. If pvUserData is NULL, this must be 0.
Returns S_OK if successful, or one of the following error values.
DPNERR_INVALIDPOINTER Pointer specified as a parameter is invalid. DPNERR_NOTALLOWED This function is not allowed on this object.