72 lines
2.6 KiB
C#
Executable File
72 lines
2.6 KiB
C#
Executable File
//
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// Copyright (C) 2010 Novell Inc. http://novell.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Reflection;
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using System.Xaml.Schema;
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namespace System.Windows.Markup
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{
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[MarkupExtensionReturnType (typeof (object))]
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[TypeConverter (typeof (StaticExtensionConverter))]
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#if !NET_2_1
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[System.Runtime.CompilerServices.TypeForwardedFrom (Consts.AssemblyPresentationFramework_3_5)]
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#endif
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public class StaticExtension : MarkupExtension
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{
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public StaticExtension ()
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{
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}
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public StaticExtension (string member)
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{
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Member = member;
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}
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[ConstructorArgument ("member")]
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public string Member { get; set; }
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[DefaultValue (null)]
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public Type MemberType { get; set; }
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public override object ProvideValue (IServiceProvider serviceProvider)
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{
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if (Member == null)
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throw new InvalidOperationException ("Member property must be set to StaticExtension before calling ProvideValue method.");
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if (MemberType != null) {
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var pi = MemberType.GetProperty (Member, BindingFlags.Public | BindingFlags.Static);
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if (pi != null)
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return pi.GetValue (null, null);
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var fi = MemberType.GetField (Member, BindingFlags.Public | BindingFlags.Static);
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if (fi != null)
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return fi.GetValue (null);
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}
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// there might be some cases that it could still
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// resolve a static member without MemberType,
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// but we don't know any of such so far.
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throw new ArgumentException (String.Format ("Member '{0}' could not be resolved to a static member", Member));
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}
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}
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}
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