ProgressBarAutomationPeer.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 / ProgressBarAutomationPeer.cs / 1 / ProgressBarAutomationPeer.cs
                        

                        
                            using System; 
using System.Windows;
using System.Windows.Automation.Provider;
using System.Windows.Controls;
using System.Windows.Controls.Primitives; 
using System.Windows.Interop;
 
using MS.Internal; 
using MS.Win32;
 
namespace System.Windows.Automation.Peers
{
    ///
    public class ProgressBarAutomationPeer : RangeBaseAutomationPeer, IRangeValueProvider 
    {
        /// 
        public ProgressBarAutomationPeer(ProgressBar owner): base(owner) 
        {
        } 

        ///
        override protected string GetClassNameCore()
        { 
            return "ProgressBar";
        } 
 
        ///
        override protected AutomationControlType GetAutomationControlTypeCore() 
        {
            return AutomationControlType.ProgressBar;
        }
 
        ///
        override public object GetPattern(PatternInterface patternInterface) 
        { 
            // Indeterminate ProgressBar should not support RangeValue pattern
            if (patternInterface == PatternInterface.RangeValue && ((ProgressBar)Owner).IsIndeterminate) 
                return null;

            return base.GetPattern(patternInterface);
        } 

        ///  
        /// Request to set the value that this UI element is representing 
        /// 
        /// Value to set the UI to, as an object 
        /// true if the UI element was successfully set to the specified value
        //[CodeAnalysis("AptcaMethodsShouldOnlyCallAptcaMethods")] //Tracking Bug: 29647
        void IRangeValueProvider.SetValue(double val)
        { 
            throw new InvalidOperationException(SR.Get(SRID.ProgressBarReadOnly));
        } 
 
        ///Indicates that the value can only be read, not modified.
        ///returns True if the control is read-only 
        bool IRangeValueProvider.IsReadOnly
        {
            get
            { 
                return true;
            } 
        } 

        ///Value of a Large Change 
        double IRangeValueProvider.LargeChange
        {
            get
            { 
                return double.NaN;
            } 
        } 

        ///Value of a Small Change 
        double IRangeValueProvider.SmallChange
        {
            get
            { 
                return double.NaN;
            } 
        } 
    }
} 


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

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