VC中不卡的延时

void CMy15454Dlg::OnBnClickedButton1()
{                  
	int ts0=0,tm0=0,ts1=0,tm1=0;
	CTime Time_t0 = CTime::GetCurrentTime();
	ts0 = Time_t0.GetSecond(); //获取当前秒数
	tm0 = Time_t0.GetMinute(); //获取当前分钟数
	while (1)                  //延时3分钟
	{
		MSG msg;
		while(PeekMessage(&msg,NULL,0,0,PM_REMOVE))
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		} 
		CTime Time_t1 = CTime::GetCurrentTime();
		ts1 = Time_t1.GetSecond();
		tm1 = Time_t1.GetMinute();
		if((ts1-ts0)>=10)	break;
		//if((abs(tm1-tm0)>=3||abs(tm1-tm0)<=57)&&(ts1==ts0))	break;
	}
	AfxMessageBox(_T("yes over"));
}