📄 bitdll.cpp
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#include <windows.h>
extern "C" _declspec (dllexport) void ShowBitmap(HDC hdc,int xStart,int yStart,HBITMAP hBitmap)
{
BITMAP bm;
HDC hMemDC;
POINT pt;
hMemDC=CreateCompatibleDC(hdc);
SelectObject (hMemDC, hBitmap);
GetObject(hBitmap,sizeof (BITMAP),&bm);
pt.x=bm.bmWidth;
pt.y=bm.bmHeight;
BitBlt(hdc,xStart,yStart,pt.x,pt.y,hMemDC,0,0,SRCCOPY);
DeleteDC (hMemDC);
}
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