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

        private void TransitionFromUIActiveToInPlaceActive()
        {
            Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.UIActive, "Wrong start state to transition from");
            if (this.ActiveXState == ActiveXHelper.ActiveXState.UIActive)
            {
                int hr = _axOleInPlaceObject.UIDeactivate();
                Debug.Assert(NativeMethods.Succeeded(hr), "Failed in IOleInPlaceObject.UiDeactivate");

                //
                // We are now InPlaceActive!
                this.ActiveXState = ActiveXHelper.ActiveXState.InPlaceActive;
            }
        }