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