PropertyReferenceExtension.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 / ndp / cdf / src / NetFx40 / System.Activities / System / Activities / XamlIntegration / PropertyReferenceExtension.cs / 1305376 / PropertyReferenceExtension.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.Activities.XamlIntegration 
{
    using System; 
    using System.ComponentModel; 
    using System.Runtime;
    using System.Windows.Markup; 
    using System.Xml.Linq;
    using System.Xaml;
    using System.Reflection;
 
    [MarkupExtensionReturnType(typeof(object))]
    public sealed class PropertyReferenceExtension : MarkupExtension 
    { 
        public PropertyReferenceExtension()
            : base() 
        {
        }

        public string PropertyName 
        {
            get; 
            set; 
        }
 
        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            if (!string.IsNullOrEmpty(this.PropertyName))
            { 
                object targetObject = ActivityWithResultConverter.GetRootTemplatedActivity(serviceProvider);
                if (targetObject != null) 
                { 
                    PropertyDescriptor property = TypeDescriptor.GetProperties(targetObject)[PropertyName];
 
                    if (property != null)
                    {
                        return property.GetValue(targetObject);
                    } 
                }
            } 
 
            throw FxTrace.Exception.AsError(
                new InvalidOperationException(SR.PropertyReferenceNotFound(this.PropertyName))); 
        }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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