lyfz_repos/其他源码/LYFZ.ComponentLibrary/ButtonDownArrow.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 ButtonDownArrow:ButtonExpand
    {
       public ButtonDownArrow()
           : base(LYFZ.ComponentLibrary.GetUIResources.btn_down)
       {
           this.BackImg = LYFZ.ComponentLibrary.GetUIResources.btn_down;
           this.IsShowText = false;
           this.Width = 26;
           this.Height = 26;

           this.Click += ButtonDownArrow_Click;
       }

       void ButtonDownArrow_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 = true;

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