DataGridCellAutomationPeer.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 / Framework / System / Windows / Automation / Peers / DataGridCellAutomationPeer.cs / 1305600 / DataGridCellAutomationPeer.cs
                        

                        
                            using System; 
using System.Windows.Automation.Provider;
using System.Windows.Controls;
using MS.Internal;
 
namespace System.Windows.Automation.Peers
{ 
    ///  
    /// AutomationPeer for DataGridCell
    ///  
    public sealed class DataGridCellAutomationPeer : FrameworkElementAutomationPeer
    {
        #region Constructors
 
        /// 
        /// AutomationPeer for DataGridCell. 
        /// This automation peer should not be part of the automation tree. 
        /// It should act as a wrapper peer for DataGridCellItemAutomationPeer
        ///  
        /// DataGridCell
        public DataGridCellAutomationPeer(DataGridCell owner)
            : base(owner)
        { 
            if (owner == null)
            { 
                throw new ArgumentNullException("owner"); 
            }
        } 

        #endregion

        #region AutomationPeer Overrides 

        ///  
        /// Gets the control type for the element that is associated with the UI Automation peer. 
        /// 
        /// The control type. 
        protected override AutomationControlType GetAutomationControlTypeCore()
        {
            return AutomationControlType.Custom;
        } 

        ///  
        /// Called by GetClassName that gets a human readable name that, in addition to AutomationControlType, 
        /// differentiates the control represented by this AutomationPeer.
        ///  
        /// The string that contains the name.
        protected override string GetClassNameCore()
        {
            return Owner.GetType().Name; 
        }
 
        /// 
        override protected bool IsOffscreenCore()
        { 
            if (!Owner.IsVisible)
                return true;

            Rect boundingRect = CalculateVisibleBoundingRect(); 
            return DoubleUtil.AreClose(boundingRect, Rect.Empty) || DoubleUtil.AreClose(boundingRect.Height, 0.0) || DoubleUtil.AreClose(boundingRect.Width, 0.0);
        } 
 
        #endregion
 
    }
}

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

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