mes-client/UAS-MES/CustomControl/TextBoxWithIcon/TextBoxWithTextArea.cs

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

namespace UAS_MES.CustomControl.TextBoxWithIcon
{
    public partial class TextBoxWithTextArea : UserControl
    {
        public TextBoxWithTextArea()
        {
            InitializeComponent();
        }

        //重写Text方法，用于接收或者传递值
        public override string Text
        {
            get
            {
                return textBox1.Text;
            }
            set
            {
                textBox1.Text = value;
            }
        }

        private void TextAreaIcon_Click(object sender, EventArgs e)
        {
            //获取相对屏幕左上角的位置的坐标，传给TextAreaForm作为初始化的坐标
            var screenPoint = PointToScreen(TextAreaIcon.Location);
            bool GetParent = true;
            TextAreaForm taf = new TextAreaForm();
            //需要传递当前的Form名称,控件名称,和相对屏幕的位置
            string FormName = this.FindForm().Name;
            int i = 0;
            //当前的this是控件的Icon
            Control c=this;
            //一直通过父级往上找，直到父级的名称和Form的名称相等，记录经过了多少级
            while (GetParent)
            {
                c= c.Parent;
                if (c.Name == FormName)
                {
                    GetParent = false;
                }
                i++;
            }
            //指定一个数据用来存放查找过的Control的Name
            string[] ControlsName=new string[i];
            //指定Form的名称
            taf.FormName = FormName;
            //重置Icon
            c = this;
            //将控件的名称添加到字符串数组中
            for (int j = 0; j < i; j++) {
                if (c.Name != FormName)
                {
                    ControlsName[j] = c.Name;
                }
                c = c.Parent;
            }
            taf.ControlName = ControlsName;
            taf.X = screenPoint.X-this.Width;
            taf.Y= screenPoint.Y-this.Height*5;
            taf.ShowDialog();
        }

        private void textBox1_Leave(object sender, EventArgs e)
        {
            textBox1.BackColor = Color.White;
        }

        private void textBox1_Enter(object sender, EventArgs e)
        {
            textBox1.BackColor = Color.GreenYellow;
        }
    }
}