ControlPropertyNameConverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / ControlPropertyNameConverter.cs / 1305376 / ControlPropertyNameConverter.cs

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

namespace System.Web.UI.WebControls { 
 
    using System.Collections;
    using System.ComponentModel; 
    using System.ComponentModel.Design;
    using System.Globalization;
    using System.Reflection;
    using System.Web.Util; 
    using System.Security.Permissions;
 
 
    /// 
    /// TypeConverter for ControlParameter's PropertyName property. 
    /// 
    public class ControlPropertyNameConverter : StringConverter {

        ///  
        /// Returns a list of all the propery names for a given control.
        ///  
        private string[] GetPropertyNames(Control control) { 

            ArrayList array = new ArrayList(); 

            PropertyDescriptorCollection pdc = TypeDescriptor.GetProperties(control.GetType());

            foreach (PropertyDescriptor desc in pdc) { 
                array.Add(desc.Name);
            } 
 
            array.Sort(Comparer.Default);
 
            return (string[])array.ToArray(typeof(string));
        }

 
        /// 
        /// Returns a collection of standard values retrieved from the context specified 
        /// by the specified type descriptor. 
        /// 
        public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { 
            if (context == null) {
                return null;
            }
 
            // Get ControlID
            ControlParameter param = (ControlParameter)context.Instance; 
            string controlID = param.ControlID; 

            // Check that we actually have a control ID 
            if (String.IsNullOrEmpty(controlID))
                return null;

            // Get designer host 
            IDesignerHost host = (IDesignerHost)context.GetService(typeof(IDesignerHost));
            Debug.Assert(host != null, "Unable to get IDesignerHost in ControlPropertyNameConverter"); 
 
            if (host == null)
                return null; 

            // Get control
            ComponentCollection allComponents = host.Container.Components;
 
            Control control = allComponents[controlID] as Control;
 
            if (control == null) 
                return null;
 
            string[] propertyNames = GetPropertyNames(control);

            return new StandardValuesCollection(propertyNames);
        } 

 
        ///  
        /// Gets whether or not the context specified contains exclusive standard values.
        ///  
        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) {
            return false;
        }
 

        ///  
        /// Gets whether or not the specified context contains supported standard values. 
        /// 
        public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { 
            return (context != null);
        }
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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