给显示窗口添加一个Resizeable的角标

CRect rcGrip; GetClientRect(rcGrip); rcGrip.left = rcGrip.right-GetSystemMetrics(SM_CXVSCROLL); rcGrip.top = rcGrip.bottom-GetSystemMetrics(SM_CYVSCROLL); CDC *pDC = GetDC(); if(!pDC->DrawFrameControl(rcGrip, DFC_SCROLL, DFCS_SCROLLSIZEGRIP)) { TRACE( _T("DrawFrameControl Err=%d/n"), GetLastError()); } ReleaseDC(pDC);

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