AddInBase.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 / fx / src / AddIn / AddIn / System / Addin / Hosting / Store / AddInBase.cs / 1305376 / AddInBase.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  AddInBase 
**
** Purpose: Represents an add-in's base class on disk. 
**
===========================================================*/
using System;
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.Globalization; 
using System.Text; 
using System.AddIn.MiniReflection;
using System.Reflection; 
using System.Diagnostics.Contracts;

namespace System.AddIn
{ 
    [Serializable]
    internal sealed class AddInBase : PipelineComponent 
    { 
        internal TypeInfo[] _activatableAs;
        internal String _assemblyName; 

        public AddInBase(TypeInfo typeInfo, TypeInfo[] activatableAs, String assemblyLocation, String assemblyName) : base(typeInfo, assemblyLocation)
        {
            _activatableAs = activatableAs; 
            _assemblyName = assemblyName;
        } 
 
        public override string ToString()
        { 
            return String.Format(CultureInfo.CurrentCulture, Res.AddInBaseToString, Name, BestAvailableLocation);
        }

        internal override bool Validate(Type type, Collection warnings) 
        {
            if (type.IsClass && type.IsSealed) 
            { 
                warnings.Add(String.Format(CultureInfo.CurrentCulture, Res.AddInBaseMustBeSubclassable, Name));
                return false; 
            }
            return base.Validate(type, warnings);
        }
 
        internal bool CanDirectConnectTo(TypeInfo havTypeInfo)
        { 
            bool result = false; 

            if(havTypeInfo.Equals(TypeInfo)) 
            {
                // Check the add-in base's type info.
                result = true;
            } 
            else if(_activatableAs != null)
            { 
                // Check the ActivatableAs types. 
                for(int i = 0; i < _activatableAs.Length && result == false; i++)
                { 
                    if(_activatableAs[i].Equals(havTypeInfo))
                    {
                        result = true;
                    } 
                }
            } 
 
            return result;
        } 
    }
}


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

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