/BlogEngine/DotNetSlave.BusinessLogic/Compilation/Design/CodeExpressionEditor.cs

 1// --------------------------------------------------------------------------------------------------------------------
 2// <summary>
 3//   Code Expression Editor
 4// </summary>
 5// --------------------------------------------------------------------------------------------------------------------
 6
 7namespace BlogEngine.Core.Compilation.Design
 8{
 9    using System;
10    using System.Web.UI.Design;
11
12    /// <summary>
13    /// Code Expression Editor
14    /// </summary>
15    public class CodeExpressionEditor : ExpressionEditor
16    {
17        #region Public Methods
18
19        /// <summary>
20        /// Evaluates an expression string and provides the design-time value for a control property.
21        /// </summary>
22        /// <param name="expression">
23        /// An expression string to evaluate. The expression does not include the expression prefix.
24        /// </param>
25        /// <param name="parseTimeData">
26        /// An object containing additional parsing information for evaluating <paramref name="expression"/>. This typically is provided by the expression builder.
27        /// </param>
28        /// <param name="propertyType">
29        /// The type of the control property to which <paramref name="expression"/> is bound.
30        /// </param>
31        /// <param name="serviceProvider">
32        /// A service provider implementation supplied by the designer host, used to obtain additional design-time services.
33        /// </param>
34        /// <returns>
35        /// The object referenced by the evaluated expression string, if the expression evaluation succeeded; otherwise, null.
36        /// </returns>
37        public override object EvaluateExpression(
38            string expression, object parseTimeData, Type propertyType, IServiceProvider serviceProvider)
39        {
40            return string.Concat("[Code:", expression, "]");
41        }
42
43        #endregion
44    }
45}