Display opencv drawn pictures on MFC picture control control

// take picture control Control type Type set to bitmap Bitmp Format 
// Format the picture so that it can be correctly displayed on the control 
void CMFCApplication1Dlg::OnBnClickedButton2()
{
		CRect rect;
		GetDlgItem(IDC_STATIC110)->GetClientRect(&rect);  //  obtain picture control Control size ( Control ID:IDC_STATIC110)
		double mult1 = 0.0, mult2 = 0.0;
		cv::Size mults_size(imgTmp.size());//imgTmp by opencv Drawing pictures 

		if (rect.Width() < imgTmp.size().width)// Convert the image display scale according to the window size , Ensure that the picture is completely displayed 
        {
			mults_size.width = rect.Width();
			mult1 = (double)rect.Width() / (double)imgTmp.size().width;
			mults_size.height = imgTmp.size().height * mult1;
		}
		if (rect.Height() < imgTmp.size().height)
        {
			mult2 = (double)rect.Height() / (double)mults_size.height;
			mults_size.width = mults_size.width * mult2;
			mults_size.height = rect.Height();
		}
		cv::resize(imgTmp, imgTmp, mults_size);//  The zoom 
		//  Transformation format 
		switch (imgTmp.channels())
		{
		case 1:
			cv::cvtColor(imgTmp, imgTmp, CV_GRAY2BGRA); // GRAY single channel 
			break;

		case 3:
			cv::cvtColor(imgTmp, imgTmp, CV_BGR2BGRA);  // BGR Three channels 
			break;

		default:
			break;

		}
		int pixelBytes = imgTmp.channels()*(imgTmp.depth() + 1); //  Calculate the number of bytes of a pixel 
		//  Make bitmapinfo( Data header )
		BITMAPINFO bitInfo;
		bitInfo.bmiHeader.biBitCount = 8 * pixelBytes;
		bitInfo.bmiHeader.biWidth = imgTmp.cols;
		bitInfo.bmiHeader.biHeight = -imgTmp.rows;
		bitInfo.bmiHeader.biPlanes = 1;
		bitInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
		bitInfo.bmiHeader.biCompression = BI_RGB;
		bitInfo.bmiHeader.biClrImportant = 0;
		bitInfo.bmiHeader.biClrUsed = 0;
		bitInfo.bmiHeader.biSizeImage = 0;// biWidth' * biHeight' * biBitCount'   ( In the above formula biWidth’ Must be 4 Integer multiple ( No biWidth, It is biWidth’, Is greater than or equal to biWidth Of , Nearest 4 Integer multiple . for instance , If biWidth=240, be biWidth’=240; If biWidth=241,biWidth’=244). )
		bitInfo.bmiHeader.biXPelsPerMeter = 0;// Is the number of pixels per meter in the real world   Set to 3780 that will do 
		bitInfo.bmiHeader.biYPelsPerMeter = 0;
		// Mat.data + bitmap Data header  -> MFC

		CDC *pDC = GetDlgItem(IDC_STATIC110)->GetDC();
		::StretchDIBits(
			pDC->GetSafeHdc(),
			0, 0, rect.Width(), rect.Height(),
			0, 0, rect.Width(), rect.Height(),
			imgTmp.data,
			&bitInfo,
			DIB_RGB_COLORS,
			SRCCOPY
		);
		ReleaseDC(pDC);
}