::SendMessage( mHandle, WM_COPYDATA, 0, (LPARAM)&cds );
HWND newWin = (HWND)::SendMessage( mHandle, WM_COPYDATA, 0, (LPARAM)&cds ); if ( newWin ) { ::SetForegroundWindow( newWin ); }
    NS_IMETHOD SendRequest( const char *cmd ) {        COPYDATASTRUCT cds = { 0, ::strlen( cmd ) + 1, (void*)cmd };        ::SendMessage( mHandle, WM_COPYDATA, 0, (LPARAM)&cds );        return NS_OK;    }