47 lines
1.5 KiB
C#
47 lines
1.5 KiB
C#
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//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities
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{
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using System;
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using System.ComponentModel;
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static class ArgumentDirectionHelper
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{
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internal static bool IsDefined(ArgumentDirection direction)
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{
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return (direction == ArgumentDirection.In || direction == ArgumentDirection.Out || direction == ArgumentDirection.InOut);
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}
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public static void Validate(ArgumentDirection direction, string argumentName)
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{
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if (!IsDefined(direction))
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{
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throw FxTrace.Exception.AsError(
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new InvalidEnumArgumentException(argumentName, (int)direction, typeof(ArgumentDirection)));
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}
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}
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public static bool IsIn(Argument argument)
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{
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return ArgumentDirectionHelper.IsIn(argument.Direction);
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}
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public static bool IsIn(ArgumentDirection direction)
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{
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return (direction == ArgumentDirection.In) || (direction == ArgumentDirection.InOut);
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}
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public static bool IsOut(Argument argument)
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{
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return ArgumentDirectionHelper.IsOut(argument.Direction);
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}
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public static bool IsOut(ArgumentDirection direction)
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{
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return (direction == ArgumentDirection.Out) || (direction == ArgumentDirection.InOut);
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}
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}
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}
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