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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.XamlIntegration
{
using System;
using System.Windows.Markup;
public class ArgumentValueSerializer : ValueSerializer
{
public override bool CanConvertToString(object value, IValueSerializerContext context)
{
Argument argument = value as Argument;
if (argument == null)
{
return false;
}
if (ActivityBuilder.HasPropertyReferences(value))
{
// won't be able to attach the property references if we convert to string
return false;
}
return argument.CanConvertToString(context);
}
public override string ConvertToString(object value, IValueSerializerContext context)
{
Argument argument = value as Argument;
if (argument == null)
{
// expect CanConvertToString() always comes before ConvertToString()
throw FxTrace.Exception.Argument("value", SR.CannotSerializeExpression(value.GetType()));
}
return argument.ConvertToString(context);
}
}
}
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