易语言后台截图源码,后台截图,EnumWindowsProc,截取窗口位图,GetObjectA,CreateCompatibleDC,GetDIBits_BimapInfo,GetDIBits,CopyMemory_BITMAPINFO,CopyMemory_BITMAPFILEHEADER,DeleteDC,GetWindowRect,IsWindow,SelectObject,PrintWindow,CreateCompatible