MES_Client/TGMES/Core.StlMes.Client.LgIntegrationQuery/清空历史缓存/frmClearCache.cs

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

namespace Core.StlMes.Client.LgIntegrationQuery
{
    public partial class frmClearCache : Core.StlMes.Client.LgCommon.frmStyleBase
    {
        public string FileName = "";
        public frmClearCache()
        {
            InitializeComponent();
            FileName = System.Windows.Forms.Application.StartupPath + "\\data\\uac.core";
        }


        private void frmClearCache_Load(object sender, EventArgs e)
        {
            DialogResult dr = MessageBox.Show("是否确认清除登录缓存信息？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
            if (dr == DialogResult.Yes)
            {
                ExeClearCache();
            }
            this.VisibleChanged += new EventHandler(Form_VisibleChanged);
        }

        private void Form_VisibleChanged(object sender, System.EventArgs e)
        {
            this.Close();
        }

        public void ExeClearCache()
        {
            try
            {
                if (File.Exists(FileName))
                {
                    File.Delete(FileName);
                }
                if (!File.Exists(FileName))
                {
                    StreamWriter SW;
                    SW = File.CreateText(FileName);
                    SW.Close();
                    MessageBox.Show("登录缓存信息清除成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
                else
                {
                    MessageBox.Show("登录缓存信息清除失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
            }
            catch { }
        }

    }
}