TemplateBindingExtension.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 / TemplateBindingExtension.cs / 1305600 / TemplateBindingExtension.cs
                        

                        
                            /****************************************************************************\ 
*
* File: TemplateBindingExtension.cs
*
*  Class for Xaml markup extension for TemplateBinds that 
*  can be set on the nodes of the Template VisualTree.
* 
* Copyright (C) 2005 by Microsoft Corporation.  All rights reserved. 
*
\***************************************************************************/ 

using System;
using System.ComponentModel;
using System.Windows; 
using System.Windows.Data;
using System.Windows.Markup; 
 
namespace System.Windows
{ 
    /// 
    ///  Class for Xaml markup extension for TemplateBindings that
    ///  can be set on the nodes of the Template VisualTree.
    ///  
    [TypeConverter(typeof(TemplateBindingExtensionConverter))]
    [MarkupExtensionReturnType(typeof(Object))] 
    public class TemplateBindingExtension : MarkupExtension 
    {
        ///  
        ///  Constructor that takes no parameters
        /// 
        public TemplateBindingExtension()
        { 
        }
 
        ///  
        ///  Constructor that takes the resource key that this is a static reference to.
        ///  
        public TemplateBindingExtension(
            DependencyProperty property)
        {
            if (property != null) 
            {
                _property = property; 
            } 
            else
            { 
                throw new ArgumentNullException("property");
            }
        }
 
        /// 
        ///  Return an object that should be set on the targetObject's targetProperty 
        ///  for this markup extension.  For TemplateBindingExtension, this is the object found in 
        ///  a resource dictionary in the current parent chain that is keyed by ResourceKey
        ///  
        /// ServiceProvider that can be queried for services.
        /// 
        ///  The object to set on this property.
        ///  
        public override object ProvideValue(IServiceProvider serviceProvider)
        { 
            if (Property == null) 
            {
                throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionProperty)); 
            }

            return new TemplateBindingExpression(this);
        } 

        ///  
        ///     Property we are binding to 
        /// 
        [ConstructorArgument("property")] 
        public DependencyProperty Property
        {
            get { return _property; }
            set 
            {
                if (value == null) 
                { 
                    throw new ArgumentNullException("value");
                } 
                _property = value;
            }
        }
 
        /// 
        ///     ValueConverter to interpose between the source and target properties 
        ///  
        [DefaultValue(null)]
        public IValueConverter Converter 
        {
            get { return _converter; }
            set
            { 
                if (value == null)
                { 
                    throw new ArgumentNullException("value"); 
                }
                _converter = value; 
            }
        }

        ///  
        ///     ConverterParameter we are binding to
        ///  
        [DefaultValue(null)] 
        public object ConverterParameter
        { 
            get { return _parameter; }
            set { _parameter = value; }
        }
 
        private DependencyProperty _property;
        private IValueConverter _converter; 
        private object _parameter; 
    }
} 


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

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