DynamicResourceExtensionConverter.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / DynamicResourceExtensionConverter.cs / 1 / DynamicResourceExtensionConverter.cs
                        
                        
                            //------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation, 2005
// 
//  File:      ElementItem.cs
// 
//  Contents:  Implements a converter to an instance descriptor for 
//             DynamicResourceExtension
// 
//  Created:   04/28/2005 [....]
//
//-----------------------------------------------------------------------
 
using System;
using System.ComponentModel; 
using System.ComponentModel.Design.Serialization; 
using System.Collections;
using System.Security; 
using System.Text;

namespace System.Windows
{ 
    /// 
    /// Type converter to inform the serialization system how to construct a DynamicResourceExtension from 
    /// an instance. It reports that ResourceKey should be used as the first parameter to the constructor. 
    /// 
    public class DynamicResourceExtensionConverter: TypeConverter 
    {
        /// 
        /// True if converting to an instance descriptor
        ///  
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        { 
            if (destinationType == typeof(InstanceDescriptor)) 
            {
                return true; 
            }
            return base.CanConvertTo(context, destinationType);
        }
 
        /// 
        /// Converts to an instance descriptor 
        ///  
        ///
        ///     Critical: calls InstanceDescriptor ctor which LinkDemands 
        ///     PublicOK: can only make an InstanceDescriptor for DynamicResourceExtension, not an arbitrary class
        ///
        [SecurityCritical]
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) 
        {
            if (destinationType == typeof(InstanceDescriptor)) 
            { 
                if(value == null)
                    throw new ArgumentNullException("value"); 

                DynamicResourceExtension dynamicResource = value as DynamicResourceExtension;

                if (dynamicResource == null) 
                    throw new ArgumentException(SR.Get(SRID.MustBeOfType, "value", "DynamicResourceExtension"), "value");
 
                return new InstanceDescriptor(typeof(DynamicResourceExtension).GetConstructor(new Type[] { typeof(object) }), 
                    new object[] { dynamicResource.ResourceKey } );
            } 
            return base.ConvertTo(context, culture, value, destinationType);
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation, 2005
// 
//  File:      ElementItem.cs
// 
//  Contents:  Implements a converter to an instance descriptor for 
//             DynamicResourceExtension
// 
//  Created:   04/28/2005 [....]
//
//-----------------------------------------------------------------------
 
using System;
using System.ComponentModel; 
using System.ComponentModel.Design.Serialization; 
using System.Collections;
using System.Security; 
using System.Text;

namespace System.Windows
{ 
    /// 
    /// Type converter to inform the serialization system how to construct a DynamicResourceExtension from 
    /// an instance. It reports that ResourceKey should be used as the first parameter to the constructor. 
    /// 
    public class DynamicResourceExtensionConverter: TypeConverter 
    {
        /// 
        /// True if converting to an instance descriptor
        ///  
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        { 
            if (destinationType == typeof(InstanceDescriptor)) 
            {
                return true; 
            }
            return base.CanConvertTo(context, destinationType);
        }
 
        /// 
        /// Converts to an instance descriptor 
        ///  
        ///
        ///     Critical: calls InstanceDescriptor ctor which LinkDemands 
        ///     PublicOK: can only make an InstanceDescriptor for DynamicResourceExtension, not an arbitrary class
        ///
        [SecurityCritical]
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) 
        {
            if (destinationType == typeof(InstanceDescriptor)) 
            { 
                if(value == null)
                    throw new ArgumentNullException("value"); 

                DynamicResourceExtension dynamicResource = value as DynamicResourceExtension;

                if (dynamicResource == null) 
                    throw new ArgumentException(SR.Get(SRID.MustBeOfType, "value", "DynamicResourceExtension"), "value");
 
                return new InstanceDescriptor(typeof(DynamicResourceExtension).GetConstructor(new Type[] { typeof(object) }), 
                    new object[] { dynamicResource.ResourceKey } );
            } 
            return base.ConvertTo(context, culture, value, destinationType);
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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DynamicResourceExtensionConverter.cs source code in C# .NET

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