ToggleButtonAutomationPeer.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 / ToggleButtonAutomationPeer.cs / 1305600 / ToggleButtonAutomationPeer.cs
                        

                        
                            using System; 
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 class ToggleButtonAutomationPeer : ButtonBaseAutomationPeer, IToggleProvider
    { 
        ///
        public ToggleButtonAutomationPeer(ToggleButton owner): base(owner)
        {}
 
        ///
        override protected string GetClassNameCore() 
        { 
            return "Button";
        } 

        ///
        override protected AutomationControlType GetAutomationControlTypeCore()
        { 
            return AutomationControlType.Button;
        } 
 
        ///
        override public object GetPattern(PatternInterface patternInterface) 
        {
            if (patternInterface == PatternInterface.Toggle)
            {
                return this; 
            }
            else 
            { 
                return base.GetPattern(patternInterface);
            } 
        }

        void IToggleProvider.Toggle()
        { 
            if(!IsEnabled())
                throw new ElementNotEnabledException(); 
 
            ToggleButton owner = (ToggleButton)Owner;
            owner.OnToggle(); 
        }

        ToggleState IToggleProvider.ToggleState
        { 
            get
            { 
                ToggleButton owner = (ToggleButton)Owner; 
                return ConvertToToggleState(owner.IsChecked);
            } 
        }

        //
        [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] 
        internal virtual void RaiseToggleStatePropertyChangedEvent(bool? oldValue, bool? newValue)
        { 
            if (oldValue != newValue) 
            {
                RaisePropertyChangedEvent(TogglePatternIdentifiers.ToggleStateProperty, ConvertToToggleState(oldValue), ConvertToToggleState(newValue)); 
            }
        }

        private static ToggleState ConvertToToggleState(bool? value) 
        {
            switch (value) 
            { 
                case (true):    return ToggleState.On;
                case (false):   return ToggleState.Off; 
                default:        return ToggleState.Indeterminate;
            }
        }
    } 
}
 

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

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