50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
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//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities.XamlIntegration
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{
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using System;
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using System.ComponentModel;
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using System.Runtime;
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using System.Windows.Markup;
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using System.Xml.Linq;
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using System.Xaml;
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using System.Reflection;
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[MarkupExtensionReturnType(typeof(object))]
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public sealed class PropertyReferenceExtension<T> : MarkupExtension
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{
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public PropertyReferenceExtension()
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: base()
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{
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}
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public string PropertyName
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{
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get;
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set;
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}
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public override object ProvideValue(IServiceProvider serviceProvider)
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{
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if (!string.IsNullOrEmpty(this.PropertyName))
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{
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object targetObject = ActivityWithResultConverter.GetRootTemplatedActivity(serviceProvider);
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if (targetObject != null)
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{
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PropertyDescriptor property = TypeDescriptor.GetProperties(targetObject)[PropertyName];
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if (property != null)
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{
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return property.GetValue(targetObject);
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}
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}
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}
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throw FxTrace.Exception.AsError(
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new InvalidOperationException(SR.PropertyReferenceNotFound(this.PropertyName)));
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}
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}
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}
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