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

        private void TransitionFromRunningToInPlaceActive()
        {
            Debug.Assert(this.ActiveXState == ActiveXHelper.ActiveXState.Running, "Wrong start state to transition from");
            if (this.ActiveXState == ActiveXHelper.ActiveXState.Running)
            {
                try
                {
                    DoVerb(NativeMethods.OLEIVERB_INPLACEACTIVATE);
                }
                catch (Exception e)
                {
                    if(CriticalExceptions.IsCriticalException(e))
                    {
                        throw;
                    }
                    else
                    {
                        throw new TargetInvocationException(SR.Get(SRID.AXNohWnd, GetType().Name), e);
                    }
                }

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