ToggleButtonAutomationPeer.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Automation / Peers / ToggleButtonAutomationPeer.cs / 1 / 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;
 
            return null;
        } 
 
        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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