DataBindingValueUIHandler.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / DataBindingValueUIHandler.cs / 1 / DataBindingValueUIHandler.cs
                        

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

namespace System.Web.UI.Design { 
    using System; 
    using System.Design;
    using System.Collections; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Drawing.Design;
    using System.Reflection; 
    using System.Web.UI; 
    using System.Web.UI.WebControls;
 
    /// 
    /// 
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
    public class DataBindingValueUIHandler { 

        private Bitmap dataBindingBitmap; 
        private string dataBindingToolTip; 

        private Bitmap DataBindingBitmap { 
            get {
                if (dataBindingBitmap == null) {
                    dataBindingBitmap = new Bitmap(typeof(DataBindingValueUIHandler), "DataBindingGlyph.bmp");
                    dataBindingBitmap.MakeTransparent(); 
                }
                return dataBindingBitmap; 
            } 
        }
 
        private string DataBindingToolTip {
            get {
                if (dataBindingToolTip == null) {
                    dataBindingToolTip = SR.GetString(SR.DataBindingGlyph_ToolTip); 
                }
                return dataBindingToolTip; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public void OnGetUIValueItem(ITypeDescriptorContext context, PropertyDescriptor propDesc, ArrayList valueUIItemList) {
            Control ctrl = context.Instance as Control; 
            if (ctrl != null) { 
                IDataBindingsAccessor dbAcc = (IDataBindingsAccessor)ctrl;
 
                if (dbAcc.HasDataBindings) {
                    DataBinding db = dbAcc.DataBindings[propDesc.Name];

                    if (db != null) { 
                        valueUIItemList.Add(new DataBindingUIItem(this));
                    } 
                } 
            }
        } 

        private void OnValueUIItemInvoke(ITypeDescriptorContext context, PropertyDescriptor propDesc, PropertyValueUIItem invokedItem) {
            //
        } 

 
        private class DataBindingUIItem : PropertyValueUIItem { 

            public DataBindingUIItem(DataBindingValueUIHandler handler) : 
                base(handler.DataBindingBitmap, new PropertyValueUIItemInvokeHandler(handler.OnValueUIItemInvoke), handler.DataBindingToolTip) {
            }
        }
    } 
}
 

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

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