Assign.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 / Statements / Assign.cs / 1305376 / Assign.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.Activities.Statements 
{
    using System.Activities; 
    using System.Collections.ObjectModel; 
    using System.ComponentModel;
    using System.Runtime; 

    public sealed class Assign : CodeActivity
    {
        public Assign() 
            : base()
        { 
        } 

        [RequiredArgument] 
        [DefaultValue(null)]
        public OutArgument To
        {
            get; 
            set;
        } 
 
        [RequiredArgument]
        [DefaultValue(null)] 
        public InArgument Value
        {
            get;
            set; 
        }
 
        protected override void CacheMetadata(CodeActivityMetadata metadata) 
        {
            Collection arguments = new Collection(); 

            Type valueType = TypeHelper.ObjectType;

            if (this.Value != null) 
            {
                valueType = this.Value.ArgumentType; 
            } 

            RuntimeArgument valueArgument = new RuntimeArgument("Value", valueType, ArgumentDirection.In, true); 
            metadata.Bind(this.Value, valueArgument);

            Type toType = TypeHelper.ObjectType;
 
            if (this.To != null)
            { 
                toType = this.To.ArgumentType; 
            }
 
            RuntimeArgument toArgument = new RuntimeArgument("To", toType, ArgumentDirection.Out, true);
            metadata.Bind(this.To, toArgument);

            arguments.Add(valueArgument); 
            arguments.Add(toArgument);
 
            metadata.SetArgumentsCollection(arguments); 

            if (this.Value != null && this.To != null) 
            {
                if (!TypeHelper.AreTypesCompatible(this.Value.ArgumentType, this.To.ArgumentType))
                {
                    metadata.AddValidationError(SR.TypeMismatchForAssign( 
                                this.Value.ArgumentType,
                                this.To.ArgumentType, 
                                this.DisplayName)); 
                }
            } 
        }

        protected override void Execute(CodeActivityContext context)
        { 
            this.To.Set(context, this.Value.Get(context));
        } 
    } 

    public sealed class Assign : CodeActivity 
    {
        public Assign()
            : base()
        { 
        }
 
        [RequiredArgument] 
        [DefaultValue(null)]
        public OutArgument To 
        {
            get;
            set;
        } 

        [RequiredArgument] 
        [DefaultValue(null)] 
        public InArgument Value
        { 
            get;
            set;
        }
 
        protected override void CacheMetadata(CodeActivityMetadata metadata)
        { 
            Collection arguments = new Collection(); 

            RuntimeArgument valueArgument = new RuntimeArgument("Value", typeof(T), ArgumentDirection.In, true); 
            metadata.Bind(this.Value, valueArgument);

            RuntimeArgument toArgument = new RuntimeArgument("To", typeof(T), ArgumentDirection.Out, true);
            metadata.Bind(this.To, toArgument); 

            arguments.Add(valueArgument); 
            arguments.Add(toArgument); 

            metadata.SetArgumentsCollection(arguments); 
        }

        protected override void Execute(CodeActivityContext context)
        { 
            context.SetValue(this.To, this.Value.Get(context));
        } 
    } 
}

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

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