mfc中选取视频播放

        CString filter;
	filter = "所有文件(*.avi,*.3gp,*.mp4,*.rm,*rmvb,*flash) | *.avi;*.3gp;*.mp4;*.rm;*.rmvb;*flash";
	CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY, filter, NULL);
	if (dlg.DoModal() == IDOK)
	{
		CString FileName = dlg.GetPathName();     //获取文件路径名   如D:\pic\abc.bmp
		using std::string;
		string filename = (CStringA)FileName;
		CImage myImage;
		cv::VideoCapture capture;
		cv::Mat myImagine;
		capture.open(filename);
		CRect rect;
		GetDlgItem(IDC_STATIC)->GetClientRect(&rect);
		while (true)
		{
			capture >> myImagine;
			cv::imshow("view", myImagine);
			cvWaitKey(40);
		}