RoutedUICommand.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Input / Command / RoutedUICommand.cs / 2 / RoutedUICommand.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//
//--------------------------------------------------------------------------- 

using System; 
using System.ComponentModel; // for TypeConverter 
using System.Windows;
using System.Windows.Markup; 
using System.Windows.Media;

namespace System.Windows.Input
{ 
    /// 
    ///     RoutedCommand with added UI Information. 
    ///  
    [TypeConverter("System.Windows.Input.CommandConverter, PresentationFramework, Version=" + Microsoft.Internal.BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + Microsoft.Internal.BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")]
    public class RoutedUICommand : RoutedCommand 
    {
        /// 
        ///     Default Constructor - needed to allow markup creation
        ///  
        public RoutedUICommand() : base()
        { 
            _text = String.Empty; 
        }
 
        /// 
        ///     Creates an instance of this class.
        /// 
        /// Descriptive and localizable text for the command 
        /// Declared Name of the RoutedCommand for Serialization
        /// Type that is registering the property 
        public RoutedUICommand(string text, string name, Type ownerType) 
            : this(text, name, ownerType, null)
        { 
        }

        /// 
        ///     Creates an instance of this class. 
        /// 
        /// Descriptive and localizable text for the command 
        /// Declared Name of the RoutedCommand for Serialization 
        /// Type that is registering the property
        /// Default Input Gestures associated 
        public RoutedUICommand(string text, string name, Type ownerType, InputGestureCollection inputGestures)
            : base(name, ownerType, inputGestures)
        {
            if (text == null) 
            {
                throw new ArgumentNullException("text"); 
            } 
            _text = text;
        } 

        /// 
        ///     Creates an instance of this class. Allows lazy initialization of InputGestureCollection and Text properties.
        ///  
        /// Declared Name of the RoutedCommand for Serialization
        /// Type that is registering the property 
        /// An identifier assigned by the owning type to the command 
        internal RoutedUICommand(string name, Type ownerType, byte commandId):base(name, ownerType, commandId)
        { 
        }

        /// 
        ///     Descriptive and localizable text for the command. 
        /// 
        public string Text 
        { 
            get
            { 
                if(_text == null)
                {
                    _text = GetText();
                } 
                return _text;
            } 
            set 
            {
                if (value == null) 
                {
                    throw new ArgumentNullException("value");
                }
                _text = value; 
            }
        } 
 
        /// 
        ///    Fetches the text by invoking the GetUIText function on the owning type. 
        /// 
        /// The text for the command
        private string GetText()
        { 
            if(OwnerType == typeof(ApplicationCommands))
            { 
                return ApplicationCommands.GetUIText(CommandId); 
            }
            else if(OwnerType == typeof(NavigationCommands)) 
            {
                return NavigationCommands.GetUIText(CommandId);
            }
            else if(OwnerType == typeof(MediaCommands)) 
            {
                return MediaCommands.GetUIText(CommandId); 
            } 
            else if(OwnerType == typeof(ComponentCommands))
            { 
                return ComponentCommands.GetUIText(CommandId);
            }
            return null;
        } 

       private string _text; 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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RoutedUICommand.cs source code in C# .NET

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