WpfKnownTypeInvoker.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 / wpf / src / Framework / System / Windows / Markup / Baml2006 / WpfKnownTypeInvoker.cs / 1305600 / WpfKnownTypeInvoker.cs
                        

                        
                            using System; 
using System.Collections.Generic;
using System.Xaml;
using System.Xaml.Schema;
 
namespace System.Windows.Baml2006
{ 
    class WpfKnownTypeInvoker : XamlTypeInvoker 
    {
        WpfKnownType _type; 

        public WpfKnownTypeInvoker(WpfKnownType type)
            : base(type)
        { 
            _type = type;
        } 
 
        public override object CreateInstance(object[] arguments)
        { 
            if ((arguments == null || arguments.Length == 0) && _type.DefaultConstructor != null)
            {
                return _type.DefaultConstructor.Invoke();
            } 
            else if (_type.IsMarkupExtension)
            { 
                Baml6ConstructorInfo ctorInfo; 
                if(!_type.Constructors.TryGetValue(arguments.Length, out ctorInfo))
                { 
                    throw new InvalidOperationException(SR.Get(SRID.PositionalArgumentsWrongLength));
                }
                return ctorInfo.Constructor(arguments);
            } 
            else
            { 
                return base.CreateInstance(arguments); 
            }
        } 

    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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