hotspottest.cs

C#2005 实例源代码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;



namespace HotSpotTest
{
    public class DiamondHotSpot : System.Web.UI.WebControls.HotSpot
    {
        public int CenterX
        {
            get
            {
                object val = ViewState["centerx"];
                if (val == null)
                    return 0;
                else
                    return (int)val;
            }
            set
            {
                ViewState["centerx"] = value;
            }
        }

        public int CenterY
        {
            get
            {
                object val = ViewState["centery"];
                if (val == null)
                    return 0;
                else
                    return (int)val;
            }
            set
            {
                ViewState["centery"] = value;
            }
        }

        public int Width
        {
            get
            {
                object val = ViewState["width"];
                if (val == null)
                    return 0;
                else
                    return (int)val;
            }
            set
            {
                ViewState["width"] = value;
            }
        }

        public int Height
        {
            get
            {
                object val = ViewState["height"];
                if (val == null)
                    return 0;
                else
                    return (int)val;
            }
            set
            {
                ViewState["height"] = value;
            }
        }

        protected override string MarkupName
        {
            get
            {
                return "poly";
            }
        }

        public override string GetCoordinates()
        {
            return CenterX.ToString() + "," +
                       (CenterY - Height / 2).ToString() + "," +
                       (CenterX + Width / 2).ToString() + "," +
                       CenterY.ToString() + "," +
                       CenterX.ToString() + "," +
                       (CenterY + Height / 2).ToString() + "," +
                       (CenterX - Width / 2).ToString() + "," +
                       CenterY.ToString();
        }
    }
}