HICON Icon = LoadIcon(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME)); //IDR_MAINFRAME为图标的ID ::ShellAbout(m_hWnd,TEXT("Demo"),TEXT("本程序版权归XXX所有"),Icon);
MFC打开系统关于对话框
原文：http://www.cnblogs.com/Open-Source/p/5814345.html
