XmlFileEditor.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 / WebForms / System / Web / UI / Design / XmlFileEditor.cs / 1 / XmlFileEditor.cs
                        

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

namespace System.Web.UI.Design { 
 
    using System.Runtime.InteropServices;
 
    using System.Diagnostics;
    using System;
    using System.Design;
    using System.IO; 
    using System.Collections;
    using System.ComponentModel; 
    using System.Windows.Forms; 
    using System.Drawing;
    using System.Drawing.Design; 

    using System.Windows.Forms.Design;
    using System.Windows.Forms.ComponentModel;
    using System.Web.UI.Design.Util; 

    ///  
    ///  
    ///    Provides an editor for visually picking an XML File.
    ///  
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
    public class XmlFileEditor : UITypeEditor {

        internal FileDialog fileDialog = null; 

        ///  
        ///  
        ///      Edits the given object value using the editor style provided by
        ///      GetEditorStyle.  A service provider is provided so that any 
        ///      required editing services can be obtained.
        /// 
        public override object EditValue(ITypeDescriptorContext context,  IServiceProvider  provider, object value) {
 
            if (provider != null) {
                IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService)); 
 
                if (edSvc != null) {
                    if (fileDialog == null) { 
                        fileDialog = new OpenFileDialog();
                        fileDialog.Title = SR.GetString(SR.XMLFilePicker_Caption);
                        fileDialog.Filter = SR.GetString(SR.XMLFilePicker_Filter);
                    } 

                    if (value != null) { 
                        fileDialog.FileName = value.ToString(); 
                    }
                    if (fileDialog.ShowDialog() == DialogResult.OK) { 
                        value = fileDialog.FileName;
                    }
                }
            } 
            return value;
        } 
 
        /// 
        ///  
        ///      Retrieves the editing style of the Edit method.  If the method
        ///      is not supported, this will return None.
        /// 
        public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context) { 
            return UITypeEditorEditStyle.Modal;
        } 
 
    }
} 


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

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