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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.Statements
{
using System;
using System.Activities;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Collections.Generic;
using System.Runtime;
using System.Collections.ObjectModel;
using System.Windows.Markup;
[ContentProperty("Exception")]
[SuppressMessage(FxCop.Category.Naming, FxCop.Rule.IdentifiersShouldNotMatchKeywords, Justification = "Optimizing for XAML naming. VB imperative users will [] qualify (e.g. New [Throw])")]
public sealed class Throw : CodeActivity
{
[RequiredArgument]
[DefaultValue(null)]
public InArgument<Exception> Exception
{
get;
set;
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
RuntimeArgument exceptionArgument = new RuntimeArgument("Exception", typeof(Exception), ArgumentDirection.In, true);
metadata.Bind(this.Exception, exceptionArgument);
metadata.SetArgumentsCollection(new Collection<RuntimeArgument> { exceptionArgument });
}
protected override void Execute(CodeActivityContext context)
{
Exception exception = this.Exception.Get(context);
if (exception == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.MemberCannotBeNull("Exception", this.GetType().Name, this.DisplayName)));
}
throw FxTrace.Exception.AsError(exception);
}
}
}
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