(C++) MakeScreenschot

 

MakeScreenschot is a Windows and VCL graphics code snippet to make a screenshot and store it in a Graphics::TBitmap.

 

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#include <cassert> #include <windows.h> #include <Extctrls.hpp> //From http://www.richelbilderbeek.nl/CppMakeScreenshot.htm void MakeScreenshot(Graphics::TBitmap * const b) {   assert(b);   assert(b->PixelFormat == pf32bit);   const HDC desktop = GetDC(0);   b->Width  = Screen->Width;   b->Height = Screen->Height;   BitBlt(b->Canvas->Handle, 0, 0, b->Width, b->Height, desktop, 0, 0, SRCCOPY);   b->Modified = true;   ReleaseDC(0, desktop); }