The application implements this method. This method is called when a callback occurs for an animation set in one of the tracks during a call to ID3DXAnimationController::AdvanceTime.
HRESULT HandleCallback( UINT Track, LPVOID pCallbackData );
The return values of this method are implemented by an application programmer. In general, if no error occurs, program the method to return D3D_OK. Otherwise, program the method to return an appropriate error message from D3DERR or D3DXERR.
Header: Declared in D3dx9anim.h.