FrameRgn問題圓角邊框

BOOL CTTTDlg::OnEraseBkgnd(CDC* pDC)  {CRgn m_rgn,m_framrgn;CRect rc;   GetWindowRect(&rc);   rc -= rc.TopLeft();   m_rgn.CreateRoundRectRgn(rc.left,rc.top,rc.right,rc.bottom,10,10);   CDC * pdc=GetDC();CBrush brush;brush.CreateSolidBrush(RGB(100, 100, 100));pdc->FrameRgn(&m_rgn,&brush,1,1);ReleaseDC(pdc);SetWindowRgn(m_rgn,TRUE);// TODO: Add extra initialization herereturn CDialog::OnEraseBkgnd(pDC);}

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