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procedure ShowAppEmbedded(WindowHandle: THandle; Container: TWinControl); var WindowStyle : Integer; FAppThreadID: Cardinal; begin /// Set running app window styles. WindowStyle := GetWindowLong(WindowHandle, GWL_STYLE); WindowStyle := WindowStyle - WS_CAPTION - WS_BORDER - WS_OVERLAPPED - WS_THICKFRAME; SetWindowLong(WindowHandle,GWL_STYLE,WindowStyle); /// Attach container app input thread to the running app input thread, so that /// the running app receives user input. FAppThreadID := GetWindowThreadProcessId(WindowHandle, nil); AttachThreadInput(GetCurrentThreadId, FAppThreadID, True); /// Changing parent of the running app to our provided container control Windows.SetParent(WindowHandle,Container.Handle); SendMessage(Container.Handle, WM_UPDATEUISTATE, UIS_INITIALIZE, 0); UpdateWindow(WindowHandle); /// This prevents the parent control to redraw on the area of its child windows (the running app) SetWindowLong(Container.Handle, GWL_STYLE, GetWindowLong(Container.Handle,GWL_STYLE) or WS_CLIPCHILDREN); /// Make the running app to fill all the client area of the container SetWindowPos(WindowHandle,0,0,0,Container.ClientWidth,Container.ClientHeight,SWP_NOZORDER); SetForegroundWindow(WindowHandle); end; // 호출하기 procedure TForm1.Button1Click(Sender: TObject); begin ShowAppEmbedded(FindWindow(nil, 'Calculator'), Panel1); end; |