![]() ![]() GetDesktopWindow and GetWindowDC calls to obtain this. The source is going to be the desktop, so first I'll use the Meaning I'm going to need a source and destination context to This copies information from one device context to another, To capture a screenshot, I'm going to be using the BitBlt API. Setting up a device context for use with BitBlt So hopefully I'm not missing anything out. If you assign a new object to a context, you must restore the In addition, deviceĬontexts always have a number of objects associated with them. Still good not to introduce memory leaks. Limits in Windows for some time now (as far as I know!), it's If something is created (pens, brushes,īitmaps, icons etc.), then it usually needs to be explicitlyĭestroyed when finished with (there are some exceptions just Generally, when you're using the Win32 GDI API, you need to do ![]() Using, you can find lots of information about them either onĪ number of the API's used in this article are GDI calls. This article does assume you know the basics of platform invoke Universal "apps" these days), they are still extraordinarily NET (not to mention Microsoft wanting everyone to use This article makes use of a number of Win32 API methods.Īlthough you may not have much call to use them directly in day ![]()
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