private static extern bool SetSystemCursor(IntPtr hcur, uint id);

   SetSystemCursor(LoadCursor(IntPtr.Zero, OCR_WAIT), OCR_NORMAL);

     SetSystemCursor(CopyIcon(cursor), OCR_NORMAL);

     SetSystemCursor(LoadCursor(IntPtr.Zero, OCR_WAIT), OCR_NORMAL);

static extern bool SetSystemCursor(IntPtr hcur, uint id);

Private Shared Function SetSystemCursor(ByVal hCursor As IntPtr, ByVal id As Integer) As Boolean

private void SetSystemCursor()

    bool ret_val = SetSystemCursor(hcursor, OCR_NORMAL);