Uninstalls an existing timer.
HRESULT DXUTKillTimer( UINT nIDEvent );
If the function succeeds, the return value is S_OK. If the function fails, the return value can be one of the error codes in DXUTERR.
Timers created with DXUTSetTimer can be destroyed with DXUTKillTimer.
Header: Declared in Dxut.h.