Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / TemplateNodeContextMenu.cs / 1 / TemplateNodeContextMenu.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms.Design { using System.Design; using System.Runtime.InteropServices; using System.ComponentModel; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.Security; using System.Security.Permissions; using System.Collections; using System.ComponentModel.Design; using System.Windows.Forms; using System.Drawing; using System.Drawing.Design; using System.Windows.Forms.Design; using System.Windows.Forms.Design.Behavior; ////// Custom ContextMenu section for ToolStripMenuItems. /// internal class TemplateNodeCustomMenuItemCollection : CustomMenuItemCollection { private ToolStripItem currentItem; private IServiceProvider serviceProvider; private ToolStripMenuItem insertToolStripMenuItem; public TemplateNodeCustomMenuItemCollection(IServiceProvider provider, Component currentItem): base() { this.serviceProvider = provider; this.currentItem = currentItem as ToolStripItem; PopulateList(); } ////// Immediate parent /// - can be ToolStrip if the Item is on the toplevel /// private ToolStrip ParentTool { get { return currentItem.Owner; } } private void PopulateList() { this.insertToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem(); this.insertToolStripMenuItem.Text = SR.GetString(SR.ToolStripItemContextMenuInsert); this.insertToolStripMenuItem.DropDown = ToolStripDesignerUtils.GetNewItemDropDown(ParentTool, currentItem, new EventHandler(AddNewItemClick), false, serviceProvider); this.Add(insertToolStripMenuItem); } private void AddNewItemClick(object sender, EventArgs e) { ItemTypeToolStripMenuItem senderItem = (ItemTypeToolStripMenuItem)sender; Type t = senderItem.ItemType; // we are inserting a new item.. InsertItem(t); } // INSERT LOGIC ...... private void InsertItem(Type t) { InsertToolStripItem(t); } ////// Insert Item into ToolStrip. /// // Standard 'catch all - rethrow critical' exception pattern [SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")] [SuppressMessage("Microsoft.Security", "CA2102:CatchNonClsCompliantExceptionsInGeneralHandlers")] private void InsertToolStripItem(Type t) { IDesignerHost designerHost = (IDesignerHost)serviceProvider.GetService(typeof(IDesignerHost)); Debug.Assert(designerHost != null, "Why didn't we get a designer host?"); ToolStrip parent = ParentTool; int dummyIndex = parent.Items.IndexOf(currentItem); IDesigner designer = null; DesignerTransaction newItemTransaction = designerHost.CreateTransaction(SR.GetString(SR.ToolStripAddingItem)); try { // turn off Adding/Added events listened to by the ToolStripDesigner... ToolStripDesigner._autoAddNewItems = false; // the code in ComponentAdded will actually get the add done. // IComponent component = designerHost.CreateComponent(t); designer = designerHost.GetDesigner(component); if (designer is ComponentDesigner) { ((ComponentDesigner)designer).InitializeNewComponent(null); } //Set the Image property and DisplayStyle... if (component is ToolStripButton || component is ToolStripSplitButton || component is ToolStripDropDownButton) { Image image = null; try { image = new Bitmap(typeof(ToolStripButton), "blank.bmp"); } catch (Exception e) { if (ClientUtils.IsCriticalException(e)) { throw; } } PropertyDescriptor imageProperty = TypeDescriptor.GetProperties(component)["Image"]; Debug.Assert(imageProperty != null, "Could not find 'Image' property in ToolStripItem."); if (imageProperty != null && image != null) { imageProperty.SetValue(component, image); } PropertyDescriptor dispProperty = TypeDescriptor.GetProperties(component)["DisplayStyle"]; Debug.Assert(dispProperty != null, "Could not find 'DisplayStyle' property in ToolStripItem."); if (dispProperty != null) { dispProperty.SetValue(component, ToolStripItemDisplayStyle.Image); } PropertyDescriptor imageTransProperty = TypeDescriptor.GetProperties(component)["ImageTransparentColor"]; Debug.Assert(imageTransProperty != null, "Could not find 'DisplayStyle' property in ToolStripItem."); if (imageTransProperty != null) { imageTransProperty.SetValue(component, Color.Magenta); } } Debug.Assert(dummyIndex != -1, "Why is the index of the Item negative?"); parent.Items.Insert(dummyIndex, (ToolStripItem)component); // set the selection to our new item.. since we destroyed Original component.. // we have to ask SelectionServive from new Component ISelectionService selSvc = (ISelectionService)serviceProvider.GetService(typeof(ISelectionService)); if (selSvc != null) { selSvc.SetSelectedComponents(new object[] { component }, SelectionTypes.Replace); } } catch (Exception ex) { if (newItemTransaction != null) { newItemTransaction.Cancel(); newItemTransaction = null; } if (ClientUtils.IsCriticalException(ex)) { throw; } } finally { if (newItemTransaction != null) { newItemTransaction.Commit(); newItemTransaction = null; } // turn off Adding/Added events listened to by the ToolStripDesigner... ToolStripDesigner._autoAddNewItems = true; // Add the glyphs if the parent is DropDown. ToolStripDropDown parentDropDown = parent as ToolStripDropDown; if (parentDropDown != null && parentDropDown.Visible) { ToolStripDropDownItem ownerItem = parentDropDown.OwnerItem as ToolStripDropDownItem; if (ownerItem != null) { ToolStripMenuItemDesigner itemDesigner = designerHost.GetDesigner(ownerItem) as ToolStripMenuItemDesigner; if (itemDesigner != null) { itemDesigner.ResetGlyphs(ownerItem); } } } } } // END LOGIC } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ChunkedMemoryStream.cs
- Stylus.cs
- DoubleAnimationClockResource.cs
- ListView.cs
- InternalConfigConfigurationFactory.cs
- DoubleCollection.cs
- FixedDocumentPaginator.cs
- OutOfMemoryException.cs
- TcpConnectionPoolSettings.cs
- ConcurrentStack.cs
- DataPointer.cs
- SqlCacheDependencySection.cs
- SqlGatherConsumedAliases.cs
- ObjectQueryProvider.cs
- ReliabilityContractAttribute.cs
- ScriptReference.cs
- MimeBasePart.cs
- ComboBox.cs
- UrlMapping.cs
- RowsCopiedEventArgs.cs
- ExclusiveTcpListener.cs
- ConnectionInterfaceCollection.cs
- FontInfo.cs
- WebRequestModuleElementCollection.cs
- OpenTypeLayoutCache.cs
- SemanticKeyElement.cs
- SecurityContext.cs
- BuildManagerHost.cs
- WindowsGraphicsWrapper.cs
- MethodToken.cs
- RenamedEventArgs.cs
- WizardPanel.cs
- MemberRelationshipService.cs
- ColorBlend.cs
- X509Utils.cs
- ConnectionString.cs
- BatchParser.cs
- UriExt.cs
- TextMarkerSource.cs
- PropertyRef.cs
- _ContextAwareResult.cs
- SystemResources.cs
- LookupBindingPropertiesAttribute.cs
- BinaryObjectWriter.cs
- HttpsChannelFactory.cs
- SimpleHandlerFactory.cs
- RtfToken.cs
- BaseTreeIterator.cs
- WebSysDefaultValueAttribute.cs
- XmlTextWriter.cs
- EdmConstants.cs
- HttpRuntime.cs
- PrintControllerWithStatusDialog.cs
- InvalidPrinterException.cs
- SerializationSectionGroup.cs
- Filter.cs
- MatrixTransform.cs
- TraceProvider.cs
- StylusPointPropertyUnit.cs
- EditorAttribute.cs
- TemplateDefinition.cs
- LinqToSqlWrapper.cs
- CompoundFileStorageReference.cs
- ZoneLinkButton.cs
- SQLBoolean.cs
- ListViewUpdateEventArgs.cs
- AnnotationObservableCollection.cs
- NamespaceQuery.cs
- XmlHierarchicalEnumerable.cs
- GenericTextProperties.cs
- ObjectItemConventionAssemblyLoader.cs
- CatalogPartCollection.cs
- ImageSource.cs
- TextOptionsInternal.cs
- CircleEase.cs
- DataControlFieldHeaderCell.cs
- LineBreak.cs
- CompareInfo.cs
- SqlTransaction.cs
- WindowsListViewGroupHelper.cs
- DesigntimeLicenseContextSerializer.cs
- ToolStripSeparator.cs
- Ports.cs
- WizardPanel.cs
- StructuredTypeInfo.cs
- XmlAttribute.cs
- DataViewListener.cs
- SiteMapDataSource.cs
- __ConsoleStream.cs
- XmlQualifiedName.cs
- PersianCalendar.cs
- FigureParagraph.cs
- UiaCoreProviderApi.cs
- InstanceCreationEditor.cs
- TogglePattern.cs
- FixUp.cs
- QuadTree.cs
- DataSourceControlBuilder.cs
- TextParaClient.cs
- OletxEnlistment.cs