using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CircleFriendsTools
{
    public static class MethodExt
    {
        /// <summary>
        /// 文本控件方法扩展
        /// </summary>
        /// <param name="rtBox"></param>
        /// <param name="text">控件内容</param>
        /// <param name="color">显示的颜色</param>
        /// <param name="addNewLine">是否换行</param>
        public static void AppendTextColorful(this RichTextBox rtBox, string text, Color color, bool addNewLine = true)
        {
            if (addNewLine)
            {
                text += Environment.NewLine;
            }
            rtBox.SelectionStart = rtBox.TextLength;
            rtBox.SelectionLength = 0;
            rtBox.SelectionColor = color;
            rtBox.AppendText(text);
            rtBox.SelectionColor = rtBox.ForeColor;
        }

    }
}