DataGridRowHeaderAutomationPeer.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 / DataGridRowHeaderAutomationPeer.cs / 1305600 / DataGridRowHeaderAutomationPeer.cs
                        

                        
                            using System; 
using System.Collections.Generic;
using System.Windows.Automation.Provider;
using System.Windows.Controls;
using System.Windows.Controls.Primitives; 
using MS.Internal;
 
namespace System.Windows.Automation.Peers 
{
    ///  
    /// AutomationPeer for DataGridRowHeader
    /// 
    public sealed class DataGridRowHeaderAutomationPeer : ButtonBaseAutomationPeer
    { 
        #region Constructors
 
        ///  
        /// AutomationPeer for DataGridRowHeader
        ///  
        /// DataGridRowHeader
        public DataGridRowHeaderAutomationPeer(DataGridRowHeader owner)
            : base(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.HeaderItem;
        } 

        /// 
        /// 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; 
        }

        /// 
        /// Gets a value that specifies whether the element is a content element. 
        /// 
        /// true if the element is a content element; otherwise false 
        protected override bool IsContentElementCore() 
        {
            return false; 
        }

        ///
        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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