CWindow::CenterWindow

Artigo
08/25/2010

Centraliza a janela em relação a uma determinada janela.

BOOL CenterWindow(
   HWND hWndCenter = NULL 
) throw();

Parâmetros

hWndCenter
[in] O identificador para a janela em relação à qual centralizar.Se esse parâmetro for NULO (o valor padrão), o método será conjunto hWndCenter a janela de pai da janela se for uma janela filho. Caso contrário, ele definirá hWndCenter a janela do proprietário da janela.

Valor de retorno

TRUE se a janela estiver centralizado com êxito; caso contrário, FALSE.

Exemplo

//The following example attaches various HWNDs to the CWindow objects 
//and calls CWindow::CenterWindow() for each of them

CWindow childWindow, popupWindow, overlappedWindow;

childWindow.Attach(hWndChild); //a window created with WS_CHILD style
childWindow.CenterWindow();    //This will center the child 
                               //window against its Parent window

popupWindow.Attach(hWndPopup); //a window created with WS_POPUP style
popupWindow.CenterWindow();    //This will center the popup window 
                               //against its Owner window

overlappedWindow.Attach(hWndOverlapped); //a window created with 
                                         //WS_OVERLAPPED style
overlappedWindow.CenterWindow(::GetDesktopWindow()); //This will center 
                       //the overlapped window against the DeskTop window