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The following code example shows how to extend the CreateUserWizardDesigner class and display debugging information on the design surface in case of an error.
using System; using System.IO; using System.ComponentModel; using System.Web.UI.WebControls; using System.Web.UI; using System.Web.UI.Design; using System.Web.UI.Design.WebControls; //using Examples.WebNet.Design; namespace Examples.WebNet { // Create a class that extends CreateUserWizardDesigner. public class MyCreateUserWizardDesigner : CreateUserWizardDesigner { // This variable contains debugging information. private string debugInfo = "Useful information."; // Override the GetErrorDesignTimeHtml method to add some more // information to the error message. protected override string GetErrorDesignTimeHtml(Exception e) { // Get the error message from the base class. string html = base.GetErrorDesignTimeHtml(e); // Append the debugging information to it. html += "<br>" + "DebugInfo: " + debugInfo; // Return the error message. return html; } } }
The following code example shows how to associate a control class with the designer defined in the preceding example.
using System; using System.IO; using System.ComponentModel; using System.Web.UI.WebControls; using System.Web.UI; using System.Web.UI.Design; using System.Web.UI.Design.WebControls; //using Examples.WebNet; namespace Examples.WebNet { // Create a class that extends CreateUserWizard and uses // MyCreateUserWizardDesigner as its designer. [Designer(typeof(Examples.WebNet.MyCreateUserWizardDesigner))] public class MyCreateUserWizard : CreateUserWizard { } }
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.