ArgumentDirectionHelper.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.Activities / System / Activities / ArgumentDirectionHelper.cs / 1305376 / ArgumentDirectionHelper.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 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); 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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