private void RefreshStateChange(INestedPanesContainer oldContainer, DockState oldDockState) { lock (this) { if (IsRefreshStateChangeSuspended) { return; } SuspendRefreshStateChange(); } DockPanel.SuspendLayout(true); IDockContent contentFocused = GetFocusedContent(); if (contentFocused != null) { DockPanel.SaveFocus(); } SetParent(); if (ActiveContent != null) { ActiveContent.DockHandler.SetDockState(ActiveContent.DockHandler.IsHidden, DockState, ActiveContent.DockHandler.Pane); } foreach (IDockContent content in Contents) { if (content.DockHandler.Pane == this) { content.DockHandler.SetDockState(content.DockHandler.IsHidden, DockState, content.DockHandler.Pane); } } if (oldContainer != null) { Control oldContainerControl = (Control)oldContainer; if (oldContainer.DockState == oldDockState && !oldContainerControl.IsDisposed) { oldContainerControl.PerformLayout(); } } if (DockHelper.IsDockStateAutoHide(oldDockState)) { DockPanel.RefreshActiveAutoHideContent(); } if (NestedPanesContainer.DockState == DockState) { ((Control)NestedPanesContainer).PerformLayout(); } if (DockHelper.IsDockStateAutoHide(DockState)) { DockPanel.RefreshActiveAutoHideContent(); } if (DockHelper.IsDockStateAutoHide(oldDockState) || DockHelper.IsDockStateAutoHide(DockState)) { DockPanel.RefreshAutoHideStrip(); DockPanel.PerformLayout(); } ResumeRefreshStateChange(); if (contentFocused != null) { contentFocused.DockHandler.Activate(); } DockPanel.ResumeLayout(true, true); if (oldDockState != DockState) { OnDockStateChanged(EventArgs.Empty); } }