selecttooltaskdesigner.cs

C#开发的ArcGIS Server9.2地图选择控件

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing.Design;
using System.ComponentModel;
using System.ComponentModel.Design;
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Design.Designers;

namespace SelectToolTask
{
    public class SelectToolTaskDesigner: TaskDesigner
    {
        public SelectToolTaskDesigner()
            : base()
        {

            // add "smart tag" item to the task designer in VS
            Verbs.Add(new DesignerVerb("Edit selectable layers", new EventHandler(OnEditSelectableLayers)));
        }

        protected void OnEditSelectableLayers(object sender, EventArgs args)
        {
            SelectToolTask task = this.Component as SelectToolTask;

            PropertyDescriptor propertyDescriptor = TypeDescriptor.GetProperties(task)["SelectionLayerNames"];
            UITypeEditor editor = new SelectionLayersEditor();
            object newValue = editor.EditValue(
                new TaskControlDesignerTypeDescriptorContext(this, propertyDescriptor),
                (IServiceProvider)this, propertyDescriptor.GetValue(task));
            propertyDescriptor.SetValue(task, newValue);
        }
    }
}