Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Automation / Peers / SelectorAutomationPeer.cs / 1305600 / SelectorAutomationPeer.cs
using System; using System.Collections; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public abstract class SelectorAutomationPeer : ItemsControlAutomationPeer, ISelectionProvider { /// protected SelectorAutomationPeer(Selector owner): base(owner) {} /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.List; } /// override public object GetPattern(PatternInterface patternInterface) { if(patternInterface == PatternInterface.Selection) { return this; } return base.GetPattern(patternInterface); // ItemsControlAutomationPeer support Scroll pattern } /// internal override bool IsPropertySupportedByControlForFindItem(int id) { return SelectorAutomationPeer.IsPropertySupportedByControlForFindItemInternal(id); } internal static new bool IsPropertySupportedByControlForFindItemInternal(int id) { if (ItemsControlAutomationPeer.IsPropertySupportedByControlForFindItemInternal(id)) return true; else { if (SelectionItemPatternIdentifiers.IsSelectedProperty.Id == id) return true; else return false; } } ////// Support for IsSelectedProperty should come from SelectorAutomationPeer only, /// internal override object GetSupportedPropertyValue(ItemAutomationPeer itemPeer, int propertyId) { return SelectorAutomationPeer.GetSupportedPropertyValueInternal(itemPeer, propertyId); } internal static new object GetSupportedPropertyValueInternal(AutomationPeer itemPeer, int propertyId) { if (SelectionItemPatternIdentifiers.IsSelectedProperty.Id == propertyId) { ISelectionItemProvider selectionItem = itemPeer.GetPattern(PatternInterface.SelectionItem) as ISelectionItemProvider; if (selectionItem != null) return selectionItem.IsSelected; else return null; } return ItemsControlAutomationPeer.GetSupportedPropertyValueInternal(itemPeer, propertyId); } //-------------------------------------------------------------------- // // ISelectionProvider // //------------------------------------------------------------------- #region ISelectionProvider IRawElementProviderSimple [] ISelectionProvider.GetSelection() { Selector owner = (Selector)Owner; int count = owner._selectedItems.Count; int itemsCount = (owner as ItemsControl).Items.Count; if(count > 0 && itemsCount > 0) { ListselectedProviders = new List (count); for(int i=0; i AutomationInteropProvider.InvalidateLimit) { this.RaiseAutomationEvent(AutomationEvents.SelectionPatternOnInvalidated); } else { int i; for (i = 0; i < numAdded; i++) { SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(e.AddedItems[i]) as SelectorItemAutomationPeer; if (peer != null) { peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementAddedToSelection); } } for (i = 0; i < numRemoved; i++) { SelectorItemAutomationPeer peer = FindOrCreateItemAutomationPeer(e.RemovedItems[i]) as SelectorItemAutomationPeer; if (peer != null) { peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection); } } } } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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