System.Windows.Interop.ActiveXHost.BuildWindowCore C# (CSharp) Méthode

        protected override HandleRef BuildWindowCore(HandleRef hwndParent)
        {
            this.ParentHandle = hwndParent;

            //BuildWindowCore should only be called if visible. Bug 1236445 tracks this.
            TransitionUpTo(ActiveXHelper.ActiveXState.InPlaceActive);

            //The above call should have set this interface
            Invariant.Assert(_axOleInPlaceActiveObject != null, "InPlace activation of ActiveX control failed");
            
            if (ControlHandle.Handle == IntPtr.Zero)
            {
                IntPtr inplaceWindow = IntPtr.Zero;
                _axOleInPlaceActiveObject.GetWindow(out inplaceWindow);
                AttachWindow(inplaceWindow);
            }                        

            return _axWindow;
        }