int LboxWintool::GetClientWidth( HWND hTarget )
{
	RECT rt;
	GetClientRect( hTarget, &rt );
	return ( rt.right - rt.left );
}

int LboxWintool::GetClientHeight( HWND hTarget )
{
	RECT rt;
	GetClientRect( hTarget, &rt );
	return ( rt.bottom - rt.top );
}