lyfz_repos/铂金版源码/LYFZ.ComponentLibrary/ButtonUpperArrow.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.ComponentModel;

namespace LYFZ.ComponentLibrary
{
   public class ButtonUpperArrow:ButtonExpand
    {
       public ButtonUpperArrow()
           : base(LYFZ.ComponentLibrary.GetUIResources.btn_UP)
       {
           this.BackImg = LYFZ.ComponentLibrary.GetUIResources.btn_UP;
           this.IsShowText = false;
           this.Width = 26;
           this.Height = 26;
           this.Click += ButtonUpperArrow_Click;
       }

       void ButtonUpperArrow_Click(object sender, EventArgs e)
       {
           IsCustomBackImg = true;

           if (IsDown)
           {
               this.BackImg = LYFZ.ComponentLibrary.GetUIResources.btn_down;
           }
           else
           {
               this.BackImg = LYFZ.ComponentLibrary.GetUIResources.btn_UP;
           }
       }
       bool isDown = false;

       [DescriptionAttribute("设置方向"), CategoryAttribute("组件扩展属性")]
       public bool IsDown
       {
           get { return isDown; }
           set
           {
               isDown = value;
               ButtonUpperArrow_Click(null, null);
               Invalidate(false);
           }
       }
    }
}