activex - save graphics to file

[esdee]

hi - i have an mfc activex control and want to save its visuals to a file. how should i do this? the graphics on the control are created through GDI+, so should i go through Graphics contents to an Image, or may be through CDC? thanx

so far i have this:

CDC* pdc = GetDC();

RECT rect;
GetClientRect(&rect);

Graphics graphics(pdc->GetSafeHdc());
Bitmap bitmap(rect.right -
rect.left, rect.bottom -
rect.top, &graphics);

CLSID pngClsid;
GetEncoderClsid(L"image/jpeg", &pngClsid);


bitmap.Save(fineName, &pngClsid, NULL);

but it just outputs a black screen, which is understandable

 

[esdee]

my search led me to

http://www.pscode.com/vb/scripts/ShowCode.asp?txtCodeId=37541&lngWId=1

where this guy - "Avery" - gives a great hint

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