ColumnCollectionEditor.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 / WebControls / ColumnCollectionEditor.cs / 1 / ColumnCollectionEditor.cs
                        

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

namespace System.Web.UI.Design.WebControls { 
    using System.Runtime.Serialization.Formatters; 

    using System; 
    using System.Collections;
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics; 
    using System.Drawing.Design;
    using System.Web.UI.WebControls; 
 
    /// 
    ///  
    ///    
    ///       The editor for column collections.
    ///    
    ///  
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
    public class DataGridColumnCollectionEditor : UITypeEditor { 
 
        /// 
        ///  
        ///    
        ///       Edits the value specified.
        ///    
        ///  
        public override object EditValue(ITypeDescriptorContext context,  IServiceProvider  provider, object value) {
            IDesignerHost designerHost = (IDesignerHost)context.GetService(typeof(IDesignerHost)); 
            Debug.Assert(designerHost != null, "Did not get DesignerHost service."); 

            Debug.Assert(context.Instance is DataGrid, "Expected datagrid"); 
            DataGrid dataGrid = (DataGrid)context.Instance;

            BaseDataListDesigner designer = (BaseDataListDesigner)designerHost.GetDesigner(dataGrid);
            Debug.Assert(designer != null, "Did not get designer for component"); 

            designer.InvokePropertyBuilder(DataGridComponentEditor.IDX_COLUMNS); 
            return value; 
        }
 
        /// 
        /// 
        ///    
        ///       Gets the edit style. 
        ///    
        ///  
        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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