41 lines
1.4 KiB
C#
41 lines
1.4 KiB
C#
//-----------------------------------------------------------------------------
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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.Windows.Markup;
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public class ArgumentValueSerializer : ValueSerializer
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{
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public override bool CanConvertToString(object value, IValueSerializerContext context)
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{
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Argument argument = value as Argument;
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if (argument == null)
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{
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return false;
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}
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if (ActivityBuilder.HasPropertyReferences(value))
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{
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// won't be able to attach the property references if we convert to string
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return false;
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}
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return argument.CanConvertToString(context);
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}
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public override string ConvertToString(object value, IValueSerializerContext context)
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{
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Argument argument = value as Argument;
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if (argument == null)
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{
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// expect CanConvertToString() always comes before ConvertToString()
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throw FxTrace.Exception.Argument("value", SR.CannotSerializeExpression(value.GetType()));
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}
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return argument.ConvertToString(context);
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}
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}
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}
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