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
- SystemTcpConnection.cs
- BuildProviderAppliesToAttribute.cs
- RootBuilder.cs
- ComponentResourceManager.cs
- UIElementHelper.cs
- FrameworkElement.cs
- CodeParameterDeclarationExpression.cs
- CroppedBitmap.cs
- AdCreatedEventArgs.cs
- DockAndAnchorLayout.cs
- PeerContact.cs
- DeferredReference.cs
- BitmapVisualManager.cs
- ExpressionPrefixAttribute.cs
- OneOfConst.cs
- Rijndael.cs
- TransactionsSectionGroup.cs
- UnsafeNativeMethods.cs
- Descriptor.cs
- ValidationHelper.cs
- SecUtil.cs
- HMACMD5.cs
- SqlTrackingService.cs
- ComplexTypeEmitter.cs
- ListSortDescription.cs
- IntegerFacetDescriptionElement.cs
- Membership.cs
- ReadOnlyCollectionBase.cs
- ToolStripOverflow.cs
- ReaderWriterLock.cs
- ConfigUtil.cs
- SlipBehavior.cs
- WebPartDisplayMode.cs
- WizardStepBase.cs
- RenderDataDrawingContext.cs
- BindingContext.cs
- Int16.cs
- webbrowsersite.cs
- ScrollViewerAutomationPeer.cs
- ProtectedConfigurationSection.cs
- ErrorTableItemStyle.cs
- HMACSHA256.cs
- XmlEncApr2001.cs
- UInt16.cs
- DataGridViewImageCell.cs
- X509CertificateChain.cs
- BaseServiceProvider.cs
- HttpSocketManager.cs
- FunctionGenerator.cs
- NameValueSectionHandler.cs
- ThemeConfigurationDialog.cs
- WizardStepCollectionEditor.cs
- IRCollection.cs
- CatalogZone.cs
- FixedSOMTableRow.cs
- WsatConfiguration.cs
- hresults.cs
- PrivilegeNotHeldException.cs
- SignatureDescription.cs
- AndMessageFilterTable.cs
- ConfigurationPropertyAttribute.cs
- XmlAttributeAttribute.cs
- TypeSystem.cs
- RequestCacheManager.cs
- TextureBrush.cs
- UIntPtr.cs
- GetWinFXPath.cs
- DataGridViewLayoutData.cs
- XmlSchemaAll.cs
- ConnectionProviderAttribute.cs
- ProgressBar.cs
- FileIOPermission.cs
- WindowsFont.cs
- RIPEMD160.cs
- RecordManager.cs
- TypeElement.cs
- TextParagraphView.cs
- CultureInfoConverter.cs
- RootBrowserWindowProxy.cs
- CodeMemberProperty.cs
- IntPtr.cs
- StatusBarItemAutomationPeer.cs
- WriteTimeStream.cs
- CommandConverter.cs
- DeobfuscatingStream.cs
- ResourceExpressionBuilder.cs
- DashStyle.cs
- Atom10FeedFormatter.cs
- XamlPointCollectionSerializer.cs
- WebControlsSection.cs
- XmlWriterDelegator.cs
- SelectorAutomationPeer.cs
- SpellCheck.cs
- UidManager.cs
- MergePropertyDescriptor.cs
- DataGridViewRow.cs
- ValueOfAction.cs
- XmlILTrace.cs
- TextEditorCopyPaste.cs
- LockingPersistenceProvider.cs