LeCall/Lecall/frmUpdateMsg...

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace Lecall
{
    public partial class frmUpdateMsg : Form
    {
        public frmUpdateMsg()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 更新信息字符串
        /// </summary>
        public string Msg = "";

        #region 拖动无窗体控件
        [DllImport("user32.dll")]//*********************拖动无窗体的控件
        public static extern bool ReleaseCapture();
        [DllImport("user32.dll")]
        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
        public const int WM_SYSCOMMAND = 0x0112;
        public const int SC_MOVE = 0xF010;
        public const int HTCAPTION = 0x0002;
        #endregion

        #region 拖拽窗体
        private void pnlTop_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);//调用移动无窗体控件函数
        }
        #endregion

        /// <summary>
        /// 界面初始化
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void frmUpdateMsg_Load(object sender, EventArgs e)
        {
            SetMsg();
        }

        private void SetMsg()
        { 
             string[] messageLines = Msg.Split('#');
             for (int i = 0; i < messageLines.Length; i++)
             {
                 this.richtxtBoxMsg.AppendText(messageLines[i].ToString()+"\n");
             }
        }

        /// <summary>
        /// 关闭窗体
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void picClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// 确定更新事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSubmit_Click(object sender, EventArgs e)
        {
            Process p = new Process();
            p.StartInfo.FileName = Application.StartupPath + @"\Update.exe";
            p.Start();
            this.Close();
        }

        /// <summary>
        /// 取消更新
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}