using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace UAS_LabelMachine.CustomControl.RichText
{
    public partial class RichTextAutoBottom : RichTextBox
    {
        public RichTextAutoBottom()
        {
            InitializeComponent();
            TextChanged += RichTextBox_TextChange;
            
        }
        private void RichTextBox_TextChange(object sender,EventArgs e)
        {
            SelectionStart = Text.Length; 
            ScrollToCaret(); 
        }
        /// <summary>
        /// color设置AppendText的颜色
        /// </summary>
        /// <param name="str"></param>
        /// <param name="color"></param>
        public void AppendText(string str,Color color) {
            SelectionColor = color;
            base.AppendText(str);
        }
    }
}