实例介绍
【实例简介】
【实例截图】
【核心代码】
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.Net;
using System.Threading;
using DotRas;
using DotRas.Design;
namespace VPN {
public partial class Form1 : Form {
private delegate void DlgGd1FillData(Object ds);
private DlgGd1FillData Gd1FillDataHandler = null;
private delegate void DlgBtnPing(bool enabled);
private DlgBtnPing BtnPingHandler = null;
/// <summary>
/// 当前试图连接的序数(DataGridView 中的序数), 排序后,应重设这个数字为 -1; FindNext 会对这个值加1.
/// </summary>
private int currTryIdx = -1;
private VPNInfoEntity currTryVPNInfoEntity;
private bool findFlag = true;
private void Gd1FillData(Object ds) {
gd1.Rows.Clear();
gd1.DataSource = ds;
}
private void BtnPingEnabled(bool enabled) {
btnPing.Enabled = enabled;
btnFind.Enabled = enabled;
gd1.Refresh();
}
public Form1() {
InitializeComponent();
Gd1FillDataHandler = new DlgGd1FillData(Gd1FillData);
BtnPingHandler = new DlgBtnPing(BtnPingEnabled);
gd1.AutoGenerateColumns = false;
}
private void Form1_Load(object sender, EventArgs e) {
GetData();
DataGridViewTextBoxColumn _area = new DataGridViewTextBoxColumn();
_area.HeaderText = "国家/地区";
_area.Name = "Area";
_area.DataPropertyName = "Area";
gd2.Columns.Add(_area);
DataGridViewTextBoxColumn _ip = new DataGridViewTextBoxColumn();
_ip.HeaderText = "IP";
_ip.Name = "Ip";
_ip.DataPropertyName = "Ip";
gd2.Columns.Add(_ip);
DataGridViewTextBoxColumn _user = new DataGridViewTextBoxColumn();
_user.HeaderText = "用户名";
_user.Name = "User";
_user.DataPropertyName = "User";
gd2.Columns.Add(_user);
DataGridViewTextBoxColumn _pwd = new DataGridViewTextBoxColumn();
_pwd.HeaderText = "密码";
_pwd.Name = "Pwd";
_pwd.DataPropertyName = "Pwd";
gd2.Columns.Add(_pwd);
gd2.AutoGenerateColumns = false;
SetGd2DataSource();
}
private void SetGd2DataSource() {
SortableBindingList<VPNInfoEntity> ls = new SortableBindingList<VPNInfoEntity>(SerializHelper.EnableList.Values.ToList<VPNInfoEntity>());
gd2.DataSource = ls;
}
private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e) {
}
private void GetData() {
Thread t = new Thread(new ThreadStart(_GetData));
t.Start();
}
private void _GetData() {
List<VPNInfoEntity> list = VpnListHelper.GetFeiYiVPNS();
SortableBindingList<VPNInfoEntity> slist = new SortableBindingList<VPNInfoEntity>(list);
gd1.BeginInvoke(Gd1FillDataHandler, slist);
}
private void button1_Click(object sender, EventArgs e) {
Ping();
btnPing.Enabled = false;
}
private void Ping() {
Thread t = new Thread(new ThreadStart(_Ping));
t.Start();
}
private void _Ping() {
foreach (DataGridViewRow row in gd1.Rows) {
if (!row.IsNewRow) {
PingHelper ph = new PingHelper();
ph.PingComplete = new PingHelper.DlgPingCompleteHandler(ph_PingComplete);
ph.PingIP(row.Cells["ip"].Value.ToString(), row.Index);
Thread.Sleep(20);
}
}
}
void ph_PingComplete(object sender, System.Net.NetworkInformation.PingCompletedEventArgs p, params object[] parameters) {
int idx = 0;
int.TryParse(parameters[0].ToString(), out idx);
VPNInfoEntity entity = (VPNInfoEntity)gd1.Rows[idx].DataBoundItem;
if (p.Reply.Status == System.Net.NetworkInformation.IPStatus.Success) {
entity.Ping = p.Reply.RoundtripTime;
entity.Available = VPNInfoEntity.AvailableStatus.Unknow;
} else {
entity.Ping = -1L;
entity.Available = VPNInfoEntity.AvailableStatus.Disable;
}
if (idx == gd1.Rows.Count - 1)//不允许添加新行,所以最后一行不是新行.
btnPing.BeginInvoke(BtnPingHandler, true);
}
private void gd1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) {
Rectangle rectangle = new Rectangle(e.RowBounds.Location.X,
e.RowBounds.Location.Y,
gd1.RowHeadersWidth - 4,
e.RowBounds.Height);
TextRenderer.DrawText(e.Graphics, (e.RowIndex 1).ToString(),
gd1.RowHeadersDefaultCellStyle.Font, rectangle,
gd1.RowHeadersDefaultCellStyle.ForeColor,
TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
}
private void btnFind_Click(object sender, EventArgs e) {
ChangeBtnFind();
findFlag = true;
Find();
btnFind.Enabled = true;
btnPing.Enabled = false;
}
void btnStop_Click(object sender , EventArgs e) {
ChangeBtnFind();
findFlag = false;
VPNConnectHelper.CancelDialAsync();
btnPing.Enabled = true;
}
private void ChangeBtnFind() {
if( btnFind.Tag == null || btnFind.Tag.ToString() != "stop" ) {
btnFind.Enabled = false;
btnFind.Tag = "stop";
btnFind.Text = "我不找了！";
btnFind.Click -= btnFind_Click;
btnFind.Click = new EventHandler(btnStop_Click);
VPNConnectHelper.DialAsyncComplete -= VPNConnectHelper_DialAsyncComplete2;
VPNConnectHelper.DialStateChange = new VPNConnectHelper.DialStateChangeHandler(VPNConnectHelper_DialStateChange);
VPNConnectHelper.DialAsyncComplete = new VPNConnectHelper.DialAsyncCompleteHandler(VPNConnectHelper_DialAsyncComplete);
} else {
btnFind.Tag = "";
btnFind.Text = "给我找一个可用的!";
btnFind.Click -= btnStop_Click;
btnFind.Click = new EventHandler(btnFind_Click);
}
}
private void Find() {
Thread t = new Thread(new ThreadStart(FindNext));
t.Start();
}
private void FindNext() {
if( !findFlag )
return;
currTryIdx ;
if (gd1.Rows.Count > currTryIdx && !gd1.Rows[currTryIdx].IsNewRow) {
DataGridViewRow row = gd1.Rows[currTryIdx];
VPNInfoEntity entity = (VPNInfoEntity)gd1.Rows[currTryIdx].DataBoundItem;
if( entity.Ping > 0 ) {
currTryVPNInfoEntity = entity;
VPNConnectHelper.DialAsync(entity.Ip , entity.User , entity.Pwd);
} else {
FindNext();
}
} else {
notifyIcon1.ShowBalloonTip(5000, "...", "以搜索到列表尾!", ToolTipIcon.Info);
}
}
private void gd1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) {
if ( e.ColumnIndex > -1 && e.RowIndex > -1 && gd1.Columns[e.ColumnIndex].DataPropertyName == "Available") {
VPNInfoEntity entity = (VPNInfoEntity)gd1.Rows[e.RowIndex].DataBoundItem;
e.Graphics.FillRectangle(Brushes.White , e.CellBounds.Location.X , e.CellBounds.Location.Y , e.CellBounds.Width -1 , e.CellBounds.Height -1);
Rectangle rectangle = new Rectangle(e.CellBounds.Location.X 4 , e.CellBounds.Location.Y 4 , 14 , 14);
if (entity.Available == VPNInfoEntity.AvailableStatus.Disable) {
}
switch( entity.Available ) {
case VPNInfoEntity.AvailableStatus.Disable:
e.Graphics.DrawImage(Res.Disable , rectangle);
break;
case VPNInfoEntity.AvailableStatus.Enable:
e.Graphics.DrawImage(Res.Enable , rectangle);
break;
default:
e.Graphics.DrawImage(Res.Normal , rectangle);
break;
}
e.Handled = true;
}
}
private void btnDisconnect_Click(object sender, EventArgs e) {
findFlag = false;
VPNConnectHelper.Disconnect();
}
private void gd2_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e) {
VPNInfoEntity entity = (VPNInfoEntity)gd2.Rows[e.RowIndex].DataBoundItem;
Connect(entity);
}
private void Connect(VPNInfoEntity entity) {
notifyIcon1.ShowBalloonTip(3000, "...", "正在尝试连接：" entity.Ip, ToolTipIcon.Info);
VPNConnectHelper.DialAsyncComplete -= VPNConnectHelper_DialAsyncComplete;
VPNConnectHelper.DialAsyncComplete = new VPNConnectHelper.DialAsyncCompleteHandler(VPNConnectHelper_DialAsyncComplete2);
VPNConnectHelper.DialAsync(entity.Ip, entity.User, entity.Pwd);
}
private void gd2_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) {
Rectangle rectangle = new Rectangle(e.RowBounds.Location.X,
e.RowBounds.Location.Y,
gd1.RowHeadersWidth - 4,
e.RowBounds.Height);
TextRenderer.DrawText(e.Graphics, (e.RowIndex 1).ToString(),
gd2.RowHeadersDefaultCellStyle.Font, rectangle,
gd2.RowHeadersDefaultCellStyle.ForeColor,
TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
}
private void cmsiConnect_Click(object sender, EventArgs e) {
if (gd2.SelectedRows.Count > 0) {
VPNInfoEntity entity = (VPNInfoEntity)gd2.SelectedRows[0].DataBoundItem;
Connect(entity);
}
}
private void cmsi2Drop_Click(object sender, EventArgs e) {
if (gd2.SelectedRows.Count > 0) {
VPNInfoEntity entity = (VPNInfoEntity)gd2.SelectedRows[0].DataBoundItem;
SerializHelper.RemoveEnableEntity(entity);
SetGd2DataSource();
}
}
void VPNConnectHelper_DialAsyncComplete(RasDialer dialer, DialCompletedEventArgs e) {
if (e.Connected) {
currTryVPNInfoEntity.Available = VPNInfoEntity.AvailableStatus.Enable;
notifyIcon1.ShowBalloonTip(5000, "...", "连接成功", ToolTipIcon.Info);
SerializHelper.AddEnableEntity(currTryVPNInfoEntity);
ChangeBtnFind();
} else if (e.Error != null) {
currTryVPNInfoEntity.Available = VPNInfoEntity.AvailableStatus.Disable;
SerializHelper.AddDisableEntity(currTryVPNInfoEntity);
notifyIcon1.ShowBalloonTip(3000, "...", currTryVPNInfoEntity.Ip "\r\n" e.Error.Message, ToolTipIcon.Info);
FindNext();
}
}
void VPNConnectHelper_DialAsyncComplete2( RasDialer dialer, DialCompletedEventArgs e ) {
if (e.Connected) {
notifyIcon1.ShowBalloonTip(5000, "...", "连接成功", ToolTipIcon.Info);
} else if(e.Error != null) {
notifyIcon1.ShowBalloonTip(3000, "...", "连接失败" "\r\n" e.Error.Message, ToolTipIcon.Info);
}
}
void VPNConnectHelper_DialStateChange(RasDialer dialer, StateChangedEventArgs e) {
}
}
}
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