CWindow::SetWindowPos

BOOL SetWindowPos( HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT nFlags );

BOOL SetWindowPos( HWND hWndInsertAfter, LPCRECT lpRect, UINT nFlags );

1 BOOL CXXX::OnInitDialog()2 {3 　　CRect rect;4    GetWindowRect(&rect);5     ::SetWindowPos(this->m_hWnd,HWND_TOPMOST,Rect.left,Rect.top,6             Rect.Width(),Rect.Height(),SWP_NOMOVE | SWP_NOSIZE);7 }

BringWindowToTop

This function brings the specified window to the top of the z-order. If the window is a top-level window, it is activated. If the window is a child window, the top-level parent window associated with the child window is activated.

BOOL BringWindowToTop( HWND hWnd );

Parameters

hWnd

Handle to the window to bring to the top of the z-order.

Return Values

Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError.

bringwindowtotop 如果窗口为顶层窗口，则该窗口被激活；如果窗口为子窗口，则相应的顶级父窗口被激活。

窗口置顶方法