Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / ListBoxDesigner.cs / 1 / ListBoxDesigner.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ [assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Scope="member", Target="System.Windows.Forms.Design.ListBoxDesigner..ctor()")] namespace System.Windows.Forms.Design { using System.Design; using System.Runtime.InteropServices; using System.ComponentModel; using System.Diagnostics; using System; using System.ComponentModel.Design; using System.Windows.Forms; using System.Drawing; using System.Collections; ////// /// This class handles all design time behavior for the list box class. /// It adds a sample item to the list box at design time. /// internal class ListBoxDesigner : ControlDesigner { private DesignerActionListCollection _actionLists; ////// /// Destroys this designer. /// protected override void Dispose(bool disposing) { if (disposing) { // Now, hook the component rename event so we can update the text in the // list box. // IComponentChangeService cs = (IComponentChangeService)GetService(typeof(IComponentChangeService)); if (cs != null) { cs.ComponentRename -= new ComponentRenameEventHandler(this.OnComponentRename); cs.ComponentChanged -= new ComponentChangedEventHandler(this.OnComponentChanged); } } base.Dispose(disposing); } ////// /// Called by the host when we're first initialized. /// public override void Initialize(IComponent component) { base.Initialize(component); AutoResizeHandles = true; // Now, hook the component rename event so we can update the text in the // list box. // IComponentChangeService cs = (IComponentChangeService)GetService(typeof(IComponentChangeService)); if (cs != null) { cs.ComponentRename += new ComponentRenameEventHandler(this.OnComponentRename); cs.ComponentChanged += new ComponentChangedEventHandler(this.OnComponentChanged); } } public override void InitializeNewComponent(IDictionary defaultValues) { base.InitializeNewComponent(defaultValues); // in Whidbey, formattingEnabled is true ((ListBox) this.Component).FormattingEnabled = true; // VSWhidbey 497239 - Setting FormattingEnabled clears the text we set in // OnCreateHandle so let's set it here again. We need to keep setting the text in // OnCreateHandle, otherwise we introduce VSWhidbey 498162. PropertyDescriptor nameProp = TypeDescriptor.GetProperties(Component)["Name"]; if (nameProp != null) { UpdateControlName(nameProp.GetValue(Component).ToString()); } } ////// /// Raised when a component's name changes. Here we update the contents of the list box /// if we are displaying the component's name in it. /// private void OnComponentRename(object sender, ComponentRenameEventArgs e) { if (e.Component == Component) { UpdateControlName(e.NewName); } } ////// /// Raised when ComponentChanges. We listen to this to check if the "Items" propertychanged. /// and if so .. then update the Text within the ListBox. /// private void OnComponentChanged(object sender, ComponentChangedEventArgs e) { if (e.Component == Component && e.Member != null && e.Member.Name == "Items") { PropertyDescriptor nameProp = TypeDescriptor.GetProperties(Component)["Name"]; if (nameProp != null) { UpdateControlName(nameProp.GetValue(Component).ToString()); } } } ////// /// This is called immediately after the control handle has been created. /// protected override void OnCreateHandle() { base.OnCreateHandle(); PropertyDescriptor nameProp = TypeDescriptor.GetProperties(Component)["Name"]; if (nameProp != null) { UpdateControlName(nameProp.GetValue(Component).ToString()); } } ////// /// Updates the name being displayed on this control. This will do nothing if /// the control has items in it. /// private void UpdateControlName(string name) { ListBox lb = (ListBox)Control; if (lb.IsHandleCreated && lb.Items.Count == 0) { NativeMethods.SendMessage(lb.Handle, NativeMethods.LB_RESETCONTENT, 0, 0); NativeMethods.SendMessage(lb.Handle, NativeMethods.LB_ADDSTRING, 0, name); } } public override DesignerActionListCollection ActionLists { get { if (_actionLists == null) { _actionLists = new DesignerActionListCollection(); if (this.Component is CheckedListBox) { _actionLists.Add(new ListControlUnboundActionList(this)); } else { _actionLists.Add(new ListControlBoundActionList(this)); } } return _actionLists; } } } internal class ListControlUnboundActionList : DesignerActionList { private ComponentDesigner _designer; public ListControlUnboundActionList(ComponentDesigner designer) : base(designer.Component) { _designer = designer; } public void InvokeItemsDialog() { EditorServiceContext.EditValue(_designer, Component, "Items"); } public override DesignerActionItemCollection GetSortedActionItems() { DesignerActionItemCollection returnItems = new DesignerActionItemCollection(); returnItems.Add(new DesignerActionMethodItem(this, "InvokeItemsDialog", SR.GetString(SR.ListControlUnboundActionListEditItemsDisplayName), SR.GetString(SR.ItemsCategoryName), SR.GetString(SR.ListControlUnboundActionListEditItemsDescription), true)); return returnItems; } } } // 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
- ExplicitDiscriminatorMap.cs
- CompileXomlTask.cs
- CaseStatement.cs
- WebPartConnectionsConnectVerb.cs
- BaseTemplateBuildProvider.cs
- SourceFileBuildProvider.cs
- DiscreteKeyFrames.cs
- HtmlButton.cs
- COM2ColorConverter.cs
- ErasingStroke.cs
- BlurBitmapEffect.cs
- WebPartMinimizeVerb.cs
- XmlLoader.cs
- PointCollection.cs
- TimeSpanValidatorAttribute.cs
- Propagator.JoinPropagator.JoinPredicateVisitor.cs
- CleanUpVirtualizedItemEventArgs.cs
- ExternalException.cs
- DataServices.cs
- MailHeaderInfo.cs
- AndAlso.cs
- DispatcherTimer.cs
- TransactionScope.cs
- SHA1Cng.cs
- WebPartMenu.cs
- DefaultAssemblyResolver.cs
- WorkflowRuntimeSection.cs
- FloatMinMaxAggregationOperator.cs
- Types.cs
- TargetFrameworkUtil.cs
- PrintDialog.cs
- ContainerVisual.cs
- ServerIdentity.cs
- Array.cs
- PageTheme.cs
- DbFunctionCommandTree.cs
- InvocationExpression.cs
- ClrProviderManifest.cs
- KnownTypeDataContractResolver.cs
- SystemColors.cs
- StickyNoteContentControl.cs
- PropertyDescriptorComparer.cs
- SoapProtocolReflector.cs
- CustomBindingElement.cs
- InputLanguageSource.cs
- HandoffBehavior.cs
- SqlAggregateChecker.cs
- HandlerBase.cs
- SystemIPv4InterfaceProperties.cs
- SafeMILHandle.cs
- GrammarBuilderBase.cs
- SimpleWebHandlerParser.cs
- ModelTypeConverter.cs
- OpenTypeLayout.cs
- OperationInfo.cs
- ToolZoneDesigner.cs
- ListDataHelper.cs
- RegistrySecurity.cs
- ErrorHandler.cs
- DocumentOutline.cs
- NavigatingCancelEventArgs.cs
- SecurityContext.cs
- XMLSchema.cs
- MimeMapping.cs
- SynchronizedPool.cs
- HttpStreamXmlDictionaryWriter.cs
- LinkConverter.cs
- LocatorGroup.cs
- HandlerBase.cs
- ExternalDataExchangeClient.cs
- DataSourceView.cs
- PersonalizableAttribute.cs
- AutomationProperties.cs
- StreamReader.cs
- FieldAccessException.cs
- Delegate.cs
- NativeRecognizer.cs
- EntityDataSourceWrapperPropertyDescriptor.cs
- MetadataProperty.cs
- BulletedListEventArgs.cs
- ConfigurationPropertyAttribute.cs
- TraceUtils.cs
- Int32AnimationBase.cs
- UIPermission.cs
- FreezableCollection.cs
- SocketAddress.cs
- XsltLoader.cs
- PrintDocument.cs
- SelectionProcessor.cs
- COAUTHINFO.cs
- AsymmetricKeyExchangeFormatter.cs
- PersistStreamTypeWrapper.cs
- ExpressionBuilder.cs
- ControlParameter.cs
- WebPartConnectionsDisconnectVerb.cs
- TextParentUndoUnit.cs
- EmptyReadOnlyDictionaryInternal.cs
- Enlistment.cs
- COM2ExtendedBrowsingHandler.cs
- KeyBinding.cs