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