OTS/OTSCleanReportApp/Controls/OTSPeriodicTable/User_Element.cs

using System;
using System.Drawing;
using System.Windows.Forms;

namespace OTSPeriodicTable
{
    public partial class User_Element : UserControl
    {
        #region 变量
        public int i_click = 0;    //点击记数
        Color old_color;    //记录被点击前的颜色
        string str_zwysm = "中文元素名";

        //中文元素名
        public string zwysm
        {
            get { return str_zwysm; }
            set { str_zwysm = value; }
        }

        /// <summary>
        /// 该控件的原始颜色
        /// </summary>
        public Color OldColor
        {
            get { return old_color; }
            set { old_color = value; }
        }
        #endregion

        #region 窗体加载，初始化
        public User_Element()
        {
            InitializeComponent();
        }

        //加载
        private void User_Element_Load(object sender, EventArgs e)
        {
            lb_zwysm.Text = "";
            old_color = this.BackColor;

            #region 字太多，变小点显示
            string str = this.lb_ywm.Text;
            if (str.Length > 8)
            {
                lb_ywm.Font = new Font("微软雅黑", 6, FontStyle.Bold);
            }
            #endregion
        }
        #endregion

        #region 鼠标移动事件
        private void User_Element_MouseMove(object sender, MouseEventArgs e)
        {
            Graphics g = this.CreateGraphics();
            ControlPaint.DrawBorder(g,
                                this.ClientRectangle,
                                Color.Lime,
                                1,
                                ButtonBorderStyle.Solid,
                                Color.Lime,
                                1,
                                ButtonBorderStyle.Solid,
                                Color.Lime,
                                1,
                                ButtonBorderStyle.Solid,
                                Color.Lime,
                                1,
                                ButtonBorderStyle.Solid);
        }

        private void User_Element_MouseLeave(object sender, EventArgs e)
        {
            Graphics g = this.CreateGraphics();
            ControlPaint.DrawBorder(g,
                                this.ClientRectangle,
                                old_color,
                                1,
                                ButtonBorderStyle.Solid,
                                old_color,
                                1,
                                ButtonBorderStyle.Solid,
                                old_color,
                                1,
                                ButtonBorderStyle.Solid,
                                old_color,
                                1,
                                ButtonBorderStyle.Solid);
        }

        #endregion

        #region 鼠标点击事件
        private void User_Element_MouseClick(object sender, MouseEventArgs e)
        {
            if (i_click == 0)
            {
                lb_zwysm.Text = str_zwysm;//点击到其它颜色时显示中文名,深灰色
                i_click = 2;
                this.BackColor = Color.SpringGreen;
                return;
            }
            if (i_click == 2)
            {
                //换回原先的颜色
                lb_zwysm.Text = ""; //恢复到原先的颜色时，不显示中文名
                i_click = 0;
                this.BackColor = old_color;
                return;
            }
        }

        #endregion

    }
}