Defines the
HtmlDesigner attribute that is used on a Web Part custom property. It specifies if a custom property uses a custom builder and the URL of the builder, or if the custom property does not use any builder, including any default builder.
Namespace: Microsoft.SharePoint.WebPartPages
Assembly: Microsoft.SharePoint (in microsoft.sharepoint.dll)
Visual Basic (Declaration)
<AttributeUsageAttribute(AttributeTargets.Property)> _
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class HtmlDesignerAttribute
Inherits Attribute
Dim instance As HtmlDesignerAttribute
[AttributeUsageAttribute(AttributeTargets.Property)]
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class HtmlDesignerAttribute : Attribute
When a Web Part is opened in Microsoft Visual Studio 2005, the HtmlDesignerAttribute class is ignored. Only the default Visual Studio 2005 builders will be used.
The following code example shows a Web Part with a custom property that uses HtmlDesignerAttribute to define a static custom builder.
using System;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml.Serialization;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
using System.Xml;
namespace WebPartLibrary2
{
[XmlRootAttribute(Namespace="WebPartLibrary2")]
public class HtmlDesignerAttributeTestPart: WebPart
{
/// Member variable for a property with
/// HtmlDesignerAttribute defined for a custom builder
private string customPropertyValue = "This Web Part has a custom property";
/// <summary>
/// Use HtmlDesignerAttribute to define a static custom
/// builder builder.aspx for the custom property.
/// </summary>
[WebPartStorage(Storage = Storage.Personal),
DefaultValue(""),
HtmlDesignerAttribute("http://myserver/builder.aspx")]
public string CustomProperty
{
get
{
return customPropertyValue;
}
set
{
customPropertyValue = value;
}
}
/// <summary>
/// Renders the content of the HtmlDesignerAttributeTestPart.
/// </summary>
protected override void RenderWebPart (HtmlTextWriter output)
{
output.Write(SPEncode.HtmlEncode(CustomProperty));
}
}
}
System.Object
System.Attribute
Microsoft.SharePoint.WebPartPages.HtmlDesignerAttribute
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.