Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Automation / Peers / RichTextBoxAutomationPeer.cs / 1305600 / RichTextBoxAutomationPeer.cs
using System; 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.Documents; using System.Windows.Interop; using System.Windows.Media; using MS.Internal.Documents; using MS.Internal; using MS.Internal.Automation; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class RichTextBoxAutomationPeer : TextAutomationPeer { /// public RichTextBoxAutomationPeer(RichTextBox owner): base(owner) { _textPattern = new TextAdaptor(this, owner.TextContainer); } /// override protected string GetClassNameCore() { return "RichTextBox"; } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.Document; } /// override public object GetPattern(PatternInterface patternInterface) { object returnValue = null; RichTextBox owner = (RichTextBox)Owner; if (patternInterface == PatternInterface.Text) { if (_textPattern == null) _textPattern = new TextAdaptor(this, owner.TextContainer); return _textPattern; } else { if (patternInterface == PatternInterface.Scroll) { if (owner.ScrollViewer != null) { returnValue = owner.ScrollViewer.CreateAutomationPeer(); ((AutomationPeer)returnValue).EventsSource = this; } } else { returnValue = base.GetPattern(patternInterface); } } return returnValue; } ////// protected override List/// GetChildrenCore() { RichTextBox owner = (RichTextBox)Owner; return TextContainerHelper.GetAutomationPeersFromRange(owner.TextContainer.Start, owner.TextContainer.End, null); } /// /// Gets collection of AutomationPeers for given text range. /// internal override ListGetAutomationPeersFromRange(ITextPointer start, ITextPointer end) { // Force children connection to automation tree. GetChildren(); RichTextBox owner = (RichTextBox)Owner; return TextContainerHelper.GetAutomationPeersFromRange(start, end, owner.TextContainer.Start); } private TextAdaptor _textPattern; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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