VirtualizedItemPattern.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / UIAutomation / UIAutomationClient / System / Windows / Automation / VirtualizedItemPattern.cs / 1305600 / VirtualizedItemPattern.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: Client-side wrapper for VirtualizedItem Pattern 
//
// History: 
//  10/21/2008 : [....] - created
//
//---------------------------------------------------------------------------
 
using System;
using System.Windows.Automation.Provider; 
using MS.Internal.Automation; 
using System.Runtime.InteropServices;
 
namespace System.Windows.Automation
{
    /// 
    /// Represents items inside containers which can be virtualized, this pattern can be used to realize them. 
    /// 
#if (INTERNAL_COMPILE) 
    internal class VirtualizedItemPattern: BasePattern 
#else
    public class VirtualizedItemPattern: BasePattern 
#endif
    {
        //-----------------------------------------------------
        // 
        //  Constructors
        // 
        //----------------------------------------------------- 

        #region Constructors 

        private VirtualizedItemPattern(AutomationElement el, SafePatternHandle hPattern)
            : base(el, hPattern)
        { 
            _hPattern = hPattern;
        } 
 
        #endregion Constructors
 

        //------------------------------------------------------
        //
        //  Public Constants / Readonly Fields 
        //
        //----------------------------------------------------- 
 
        #region Public Constants and Readonly Fields
 
        /// VirtualizedItem pattern
        public static readonly AutomationPattern Pattern = VirtualizedItemPatternIdentifiers.Pattern;

        #endregion Public Constants and Readonly Fields 

 
        //------------------------------------------------------ 
        //
        //  Public Methods 
        //
        //------------------------------------------------------

        #region Public Methods 

        ///  
        /// Request that a placeholder element make itself fully available. Blocks 
        /// until element is available, which could take time.
        /// Parent control may scroll as a side effect if the container needs to 
        /// bring the item into view in order to devirtualize it.
        /// 
       public void Realize()
        { 
            UiaCoreApi.VirtualizedItemPattern_Realize(_hPattern);
        } 
 
        #endregion Public Methods
 
        //-----------------------------------------------------
        //
        //  Internal Methods
        // 
        //------------------------------------------------------
 
        #region Internal Methods 

        static internal object Wrap(AutomationElement el, SafePatternHandle hPattern, bool cached) 
        {
            return new VirtualizedItemPattern(el, hPattern);
        }
 
        #endregion Internal Methods
 
 
        //-----------------------------------------------------
        // 
        //  Private Fields
        //
        //-----------------------------------------------------
 
        #region Private Fields
 
        private SafePatternHandle _hPattern; 

        #endregion Private Fields 

    }
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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