1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
//-----------------------------------------------------------------------------
// 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<T> : 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)));
}
}
}
|
