说明：以下函数对于POPUP窗口有效，对于子窗口好像不行。//最小化按钮有效::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE) | WS_MINIMIZEBOX );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//最小化按钮无效::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE) &~WS_MINIMIZEBOX );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//最大化按钮有效::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE) | WS_MAXIMIZEBOX );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//最大化按钮无效::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE) &~WS_MAXIMIZEBOX );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//关闭按钮有效::EnableMenuItem(::GetSystemMenu(m_hWnd,false),SC_CLOSE,MF_BYCOMMAND | MF_GRAYED);//关闭按钮无效::EnableMenuItem(::GetSystemMenu(m_hWnd,false),SC_CLOSE,MF_BYCOMMAND | MF_ENABLED);//工具栏窗口。在任务栏上没有程序显示,需要添加在OnInitDialog()里::SetWindowLong(m_hWnd,GWL_EXSTYLE,GetWindowLong(m_hWnd,GWL_EXSTYLE)    &~WS_EX_APPWINDOW|WS_EX_TOOLWINDOW ); ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_FRAMECHANGED|SWP_NOMOVE|SWP_NOSIZE);//添加标题栏::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE)    | WS_CAPTION );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//取消标题栏::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE)    & ~WS_CAPTION );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//取消标题栏，保留3d边框，可调整窗口大小::SetWindowLong(m_hWnd,GWL_STYLE, GetWindowLong(m_hWnd,GWL_STYLE)    & ~WS_CAPTION | WS_THICKFRAME );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);   //一定要加这句设置才会立即生效//取消标题栏和3d边框，保留一个线条的细边框，不能调整窗口大小::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE)    & ~WS_CAPTION & ~WS_THICKFRAME | WS_BORDER );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);//如果有WS_EX_DLGMODALFRAME还要取消WS_EX_DLGMODALFRAME// ::SetWindowLong(m_hWnd,GWL_EXSTYLE,GetWindowLong(m_hWnd,GWL_EXSTYLE) //   & ~WS_EX_DLGMODALFRAME); // ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_FRAMECHANGED|SWP_NOMOVE|SWP_NOSIZE);//取消所有边框::SetWindowLong(m_hWnd,GWL_STYLE,GetWindowLong(m_hWnd,GWL_STYLE)    & ~WS_CAPTION & ~WS_THICKFRAME );  ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);// //如果有WS_EX_DLGMODALFRAME还要取消WS_EX_DLGMODALFRAME// ::SetWindowLong(m_hWnd,GWL_EXSTYLE,GetWindowLong(m_hWnd,GWL_EXSTYLE) //   & ~WS_EX_DLGMODALFRAME); // ::SetWindowPos(m_hWnd,NULL,0,0,0,0,SWP_FRAMECHANGED|SWP_NOMOVE|SWP_NOSIZE);VC++6.0 如何去掉MFC向导生成的SDI程序中视图边框的3D效果2010-03-24 17:48先要去掉view的边框，代码如下： BOOL CSDIView::PreCreateWindow(CREATESTRUCT& cs) { cs.style &=~WS_BORDER;//加入的代码 return CFormView::PreCreateWindow(cs); } 然后在去掉外部Frame的客户区边框，代码如下： BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs) { if( !CFrameWnd::PreCreateWindow(cs) ) return FALSE; cs.dwExStyle&=~WS_EX_CLIENTEDGE;//加入的代码，一定要在CFrameWnd::PreCreateWindow(cs)之后执行 return TRUE; }