Drawing a Bitmap (MFC)

// ===== create the BITMAPINFO structureBITMAPINFO bminfo;memset(&bminfo, 0, sizeof(bminfo));bminfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);bminfo.bmiHeader.biWidth = your_width;bminfo.bmiHeader.biHeight = your_height;bminfo.bmiHeader.biPlanes = 1;bminfo.bmiHeader.biBitCount = your_bit_count; // probably 24bminfo.bmiHeader.biCompression = BI_RGB;// this is mega important: the pitch of an image is the distance (in bytes)// between the first pixel of the first line and the first pixel of the // second line. THE NUMBER OF PIXELS IN A LINE SHOULD BE A MULTIPLE OF 4// (even if your_width is not a multiple of 4). You must correctly setup // your image before displaying it.int pitch = ((your_width+3)&(~3)) * your_bit_count / 8;bminfo.bmiHeader.biSizeImage = your_height * pitch;// ===== display the imageint error = StretchDIBits(hdc,                           0, 0, wnd_width, wnd_height, // dest                          0, 0, your_width, your_height, // source                          your_imgae_bits,                          &bminfo,                          DIB_RGB_COLORS,                          SRC_COPY);if (error == GDI_ERROR) {  // somethwing weird happened}