ListControlStringCollectionEditor.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / ListControlStringCollectionEditor.cs / 1 / ListControlStringCollectionEditor.cs
                        

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

/* 
 */ 

[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Scope="member", Target="System.Windows.Forms.Design.ListControlStringCollectionEditor..ctor(System.Type)")] 

namespace System.Windows.Forms.Design {
    using System.Design;
    using System.ComponentModel; 
    using System;
    using System.Collections; 
    using Microsoft.Win32; 
    using System.ComponentModel.Design;
    using System.Diagnostics; 
    using System.Drawing;
    using System.Windows.Forms;

    ///  
    /// 
    ///      The ListControlStringCollectionEditor override StringCollectionEditor 
    ///      to prevent the string collection from being edited if a DataSource 
    ///      has been set on the control.
    ///  
    internal class ListControlStringCollectionEditor : StringCollectionEditor {

        public ListControlStringCollectionEditor(Type type) : base(type) {
        } 

        public override object EditValue(ITypeDescriptorContext context,  IServiceProvider  provider, object value) { 
 
            // If we're trying to edit the items in an object that has a DataSource set, throw an exception
            // 
            ListControl control = context.Instance as ListControl;
            if (control != null && control.DataSource != null) {
                throw new ArgumentException(SR.GetString(SR.DataSourceLocksItems));
            } 

            return base.EditValue(context, provider, value); 
        } 
    }
} 

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK