Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / StandardCommandToolStripMenuItem.cs / 1 / StandardCommandToolStripMenuItem.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms.Design { using System.Design; using System.ComponentModel; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.Security; using System.Security.Permissions; using System.ComponentModel.Design; using System.Windows.Forms; using System.Drawing; using System.Drawing.Design; using System.Windows.Forms.Design.Behavior; using System.Runtime.InteropServices; using System.Drawing.Drawing2D; ////// /// Associates standard command with ToolStripMenuItem. /// ///internal class StandardCommandToolStripMenuItem : ToolStripMenuItem { private bool _cachedImage = false; private Image _image = null; private CommandID menuID; private IMenuCommandService menuCommandService; private IServiceProvider serviceProvider; private string name; private MenuCommand menuCommand; // Ok to call MenuService.FindComand to find the menuCommand mapping to the appropriated menuID. [SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")] [SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")] [SuppressMessage("Microsoft.Security", "CA2102:CatchNonClsCompliantExceptionsInGeneralHandlers")] public StandardCommandToolStripMenuItem(CommandID menuID, string text, string imageName, IServiceProvider serviceProvider) { this.menuID = menuID; this.serviceProvider = serviceProvider; // Findcommand can throw; so we need to catch and disable the command. try { menuCommand = MenuService.FindCommand(menuID); } catch { this.Enabled = false; } this.Text = text; this.name = imageName; RefreshItem(); } public void RefreshItem() { if (menuCommand != null) { this.Visible = menuCommand.Visible; this.Enabled = menuCommand.Enabled; this.Checked = menuCommand.Checked; } } /// /// /// Retrieves the menu editor service, which we cache for speed. /// public IMenuCommandService MenuService { get { if (menuCommandService == null) { menuCommandService = (IMenuCommandService)serviceProvider.GetService(typeof(IMenuCommandService)); } return menuCommandService; } } public override Image Image { // Standard 'catch all - rethrow critical' exception pattern [SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")] get { // Defer loading the image until we're sure we need it if (!_cachedImage) { _cachedImage = true; try { if (name != null) { _image = new Bitmap(typeof(ToolStripMenuItem), name + ".bmp"); } this.ImageTransparentColor = Color.Magenta; } catch (Exception ex) { if (ClientUtils.IsCriticalException(ex)) { throw; } } catch { } } return _image; } set { _image = value; _cachedImage = true; } } protected override void OnClick(System.EventArgs e) { if (menuCommand != null) { menuCommand.Invoke(); } else if (MenuService != null) { if (MenuService.GlobalInvoke(menuID)) { return; } } } } } // 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
- AdRotator.cs
- KeyValueSerializer.cs
- CngKeyCreationParameters.cs
- DoubleCollection.cs
- MostlySingletonList.cs
- Not.cs
- ExpressionParser.cs
- ParameterModifier.cs
- X509ImageLogo.cs
- LinkArea.cs
- ChildrenQuery.cs
- DurationConverter.cs
- MetadataArtifactLoaderResource.cs
- Vector3dCollection.cs
- HashHelper.cs
- ObjectDataSourceMethodEventArgs.cs
- Enum.cs
- Journal.cs
- QueryableDataSourceView.cs
- TextDecorationCollection.cs
- TypeBrowser.xaml.cs
- TemplatedWizardStep.cs
- BufferedGraphicsContext.cs
- ModelItemImpl.cs
- DynamicILGenerator.cs
- XmlUtilWriter.cs
- Knowncolors.cs
- StringExpressionSet.cs
- ProcessModule.cs
- SqlNotificationRequest.cs
- PropertyTabChangedEvent.cs
- Win32Native.cs
- UnionCqlBlock.cs
- Matrix.cs
- DataPagerCommandEventArgs.cs
- HttpCapabilitiesEvaluator.cs
- BitmapEffectRenderDataResource.cs
- RawAppCommandInputReport.cs
- WebEvents.cs
- RSAPKCS1KeyExchangeFormatter.cs
- ReadWriteObjectLock.cs
- FamilyCollection.cs
- Int64.cs
- InputLanguage.cs
- InputProviderSite.cs
- ContentControl.cs
- ProfilePropertyNameValidator.cs
- LinkLabelLinkClickedEvent.cs
- UInt64Converter.cs
- DockEditor.cs
- ParseChildrenAsPropertiesAttribute.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- ScrollItemProviderWrapper.cs
- ResourceReader.cs
- BitFlagsGenerator.cs
- WrappedKeySecurityTokenParameters.cs
- PropertyDescriptorCollection.cs
- WebServiceResponseDesigner.cs
- CounterCreationDataCollection.cs
- CodeGeneratorAttribute.cs
- GridViewItemAutomationPeer.cs
- OleAutBinder.cs
- OpCellTreeNode.cs
- NonPrimarySelectionGlyph.cs
- WebPartEditVerb.cs
- ErrorProvider.cs
- TextTreeRootTextBlock.cs
- Vector.cs
- FilteredReadOnlyMetadataCollection.cs
- LinqDataSourceSelectEventArgs.cs
- XmlMembersMapping.cs
- DynamicResourceExtensionConverter.cs
- DiffuseMaterial.cs
- BezierSegment.cs
- ComponentCommands.cs
- WorkBatch.cs
- StaticSiteMapProvider.cs
- StringUtil.cs
- PropertyMappingExceptionEventArgs.cs
- DoubleAnimationUsingKeyFrames.cs
- RecordConverter.cs
- EntityDataSourceView.cs
- ListSourceHelper.cs
- Pkcs9Attribute.cs
- XmlSubtreeReader.cs
- ApplicationServiceHelper.cs
- WeakKeyDictionary.cs
- DesignerVerb.cs
- CheckableControlBaseAdapter.cs
- PathSegmentCollection.cs
- DataServicePagingProviderWrapper.cs
- CancellationToken.cs
- PostBackTrigger.cs
- DesignerAutoFormat.cs
- GeneralTransform3D.cs
- PrePostDescendentsWalker.cs
- RegisteredExpandoAttribute.cs
- DataServiceClientException.cs
- ProgressBar.cs
- RubberbandSelector.cs