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copied!<p>Try this code. I took it from one of my older source codes. You will lose glass frame, but main menu is visible, and I didn't notice any problem in setting focus back to the embedded app. You should be able to do so using SetForegroundWindow() API function. Whenever you move your container form, your embedded app loses focus, so you need to call SetForegroundWindow again to restore focus :</p> <pre><code>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; </code></pre> <p>You can call it this way:</p> <pre><code> ShowAppEmbedded(FindWindow(nil, 'Calculator'), Panel1); </code></pre>

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