public override void Undo (UndoEngine engine) { IDesignerHost host = engine.GetRequiredService (typeof (IDesignerHost)) as IDesignerHost; if (_added) { // Console.WriteLine ("Component*Add*RemoveAction.Undo (" + _componentName + ")"); IComponent component = host.Container.Components[_componentName]; if (component != null) // the component might have been destroyed already host.DestroyComponent (component); _added = false; } else { // Console.WriteLine ("ComponentAdd*Remove*Action.Undo (" + _componentName + ")"); ComponentSerializationService serializationService = engine.GetRequiredService ( typeof (ComponentSerializationService)) as ComponentSerializationService; serializationService.DeserializeTo (_serializedComponent, host.Container); _added = true; } }
// Reminder: _component might no longer be a valid instance // so one should request a new one. // public override void Undo (UndoEngine engine) { if (_beforeChange == null) { // Console.WriteLine ("ComponentChangeAction.Undo: ERROR: UndoUnit is not complete."); return; } // Console.WriteLine ("ComponentChangeAction.Undo (" + _componentName + "." + _member.Name + ")"); IDesignerHost host = (IDesignerHost)engine.GetRequiredService (typeof(IDesignerHost)); _component = host.Container.Components[_componentName]; ComponentSerializationService serializationService = engine.GetRequiredService ( typeof (ComponentSerializationService)) as ComponentSerializationService; serializationService.DeserializeTo (_beforeChange, host.Container); SerializationStore tmp = _beforeChange; _beforeChange = _afterChange; _afterChange = tmp; }
internal virtual System.Windows.Forms.ToolStripItem MorphCurrentItem(System.Type t) { System.Windows.Forms.ToolStripItem component = null; IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost)); if (host != null) { DesignerTransaction transaction = host.CreateTransaction(System.Design.SR.GetString("ToolStripMorphingItemTransaction")); ToolStrip immediateParent = (ToolStrip)this.ImmediateParent; if (immediateParent is ToolStripOverflow) { immediateParent = this.ToolStripItem.Owner; } ToolStripMenuItemDesigner designer = null; int index = immediateParent.Items.IndexOf(this.ToolStripItem); string name = this.ToolStripItem.Name; System.Windows.Forms.ToolStripItem ownerItem = null; if (this.ToolStripItem.IsOnDropDown) { ToolStripDropDown down = this.ImmediateParent as ToolStripDropDown; if (down != null) { ownerItem = down.OwnerItem; if (ownerItem != null) { designer = (ToolStripMenuItemDesigner)host.GetDesigner(ownerItem); } } } try { ToolStripDesigner._autoAddNewItems = false; ComponentSerializationService service = this.GetService(typeof(ComponentSerializationService)) as ComponentSerializationService; SerializationStore store = null; if (service != null) { store = service.CreateStore(); service.Serialize(store, base.Component); SerializationStore store2 = null; ToolStripDropDownItem toolStripItem = this.ToolStripItem as ToolStripDropDownItem; if ((toolStripItem != null) && typeof(ToolStripDropDownItem).IsAssignableFrom(t)) { toolStripItem.HideDropDown(); store2 = service.CreateStore(); this.SerializeDropDownItems(toolStripItem, ref store2, service); store2.Close(); } store.Close(); IComponentChangeService service2 = (IComponentChangeService)this.GetService(typeof(IComponentChangeService)); if (service2 != null) { if (immediateParent.Site != null) { service2.OnComponentChanging(immediateParent, TypeDescriptor.GetProperties(immediateParent)["Items"]); } else if (ownerItem != null) { service2.OnComponentChanging(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"]); service2.OnComponentChanged(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"], null, null); } } this.FireComponentChanging(toolStripItem); immediateParent.Items.Remove(this.ToolStripItem); host.DestroyComponent(this.ToolStripItem); System.Windows.Forms.ToolStripItem item4 = (System.Windows.Forms.ToolStripItem)host.CreateComponent(t, name); if ((item4 is ToolStripDropDownItem) && (store2 != null)) { service.Deserialize(store2); } service.DeserializeTo(store, host.Container, false, true); component = (System.Windows.Forms.ToolStripItem)host.Container.Components[name]; if ((component.Image == null) && (component is ToolStripButton)) { Image image = null; try { image = new Bitmap(typeof(ToolStripButton), "blank.bmp"); } catch (Exception exception) { if (System.Windows.Forms.ClientUtils.IsCriticalException(exception)) { throw; } } PropertyDescriptor descriptor = TypeDescriptor.GetProperties(component)["Image"]; if ((descriptor != null) && (image != null)) { descriptor.SetValue(component, image); } PropertyDescriptor descriptor2 = TypeDescriptor.GetProperties(component)["DisplayStyle"]; if (descriptor2 != null) { descriptor2.SetValue(component, ToolStripItemDisplayStyle.Image); } PropertyDescriptor descriptor3 = TypeDescriptor.GetProperties(component)["ImageTransparentColor"]; if (descriptor3 != null) { descriptor3.SetValue(component, Color.Magenta); } } immediateParent.Items.Insert(index, component); if (service2 != null) { if (immediateParent.Site != null) { service2.OnComponentChanged(immediateParent, TypeDescriptor.GetProperties(immediateParent)["Items"], null, null); } else if (ownerItem != null) { service2.OnComponentChanging(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"]); service2.OnComponentChanged(ownerItem, TypeDescriptor.GetProperties(ownerItem)["DropDownItems"], null, null); } } this.FireComponentChanged(toolStripItem); if (component.IsOnDropDown && (designer != null)) { designer.RemoveItemBodyGlyph(component); designer.AddItemBodyGlyph(component); } ToolStripDesigner._autoAddNewItems = true; if (component != null) { if (component is ToolStripSeparator) { immediateParent.PerformLayout(); } BehaviorService service3 = (BehaviorService)component.Site.GetService(typeof(BehaviorService)); if (service3 != null) { service3.Invalidate(); } ISelectionService service4 = (ISelectionService)component.Site.GetService(typeof(ISelectionService)); if (service4 != null) { service4.SetSelectedComponents(new object[] { component }, SelectionTypes.Replace); } } } return(component); } catch { host.Container.Add(this.ToolStripItem); immediateParent.Items.Insert(index, this.ToolStripItem); if (transaction != null) { transaction.Cancel(); transaction = null; } } finally { if (transaction != null) { transaction.Commit(); transaction = null; } } } return(component); }