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

using?Snap7;
using?System.Threading;

namespace?Snap7_read
{
????public?partial?class?Form1?:?Form
????{
????????private?S7Client?client1=new?S7Client（）;
????????private?S7Client?client2?=?new?S7Client（）;

????????private?byte[]?DB_A?=?new?byte[256];
????????private?byte[]?DB_B?=?new?byte[256];
????????

????????delegate?void?setTextCallback（string?text）;


????????private?void?SetText（string?text）
????????{
????????????if?（this.textBox1.InvokeRequired）
????????????{
????????????????while?（!this.textBox1.IsHandleCreated）
????????????????{
????????????????????if?（this.textBox1.Disposing?||?this.textBox1.IsDisposed）
????????????????????{
????????????????????????return;
????????????????????}
????????????????}
????????????????setTextCallback?d?=?new?setTextCallback（SetText）;
????????????????this.textBox1.Invoke（d?new?object[]?{?text?}）;
????????????}
????????????else
????????????{
????????????????this.textBox1.Text?=?text;
????????????}??
????????}

????????private?void?SetText1（string?text）
????????{
????????????if?（this.textBox2.InvokeRequired）
????????????{
????????????????while?（!this.textBox2.IsHandleCreated）
????????????????{
????????????????????if?（this.textBox2.Disposing?||?this.textBox2.IsDisposed）
????????????????????{
????????????????????????return;
????????????????????}
????????????????}
????????????????setTextCallback?d?=?new?setTextCallback（SetText1）;
????????????????this.textBox2.Invoke（d?new?object[]?{?text?}）;
????????????}
????????????else
????????????{
????????????????this.textBox2.Text?=?text;
????????????}
????????}
????????private?void?ShowResult（int?Result）
????????{
????????????//?This?function?returns?a?textual?explaination?of?the?error?code
???????????//?TextError.Text?=?Client.ErrorText（Result）;
????????}

????????private?string?Dump（TextBox?Box?byte[]?Buffer?int?Size）
????????{
????????????string?str?=?““;
????????????//?Declaration?separated?from?the?code?for?readability
????????????int?y;
????????????//Box.Text?=?““;
????????????y?=?0;
????????????for?（int?c?=?0;?c?????????????{
????????????????String?S?=?Convert.ToString（Buffer[c]?16）;
????????????????if?（S.Length?==?1）?S?=?“0“?+?S;
????????????????str?=?str+?“0x“?+?S?+?“?“;
????????????????y++;
????????????????if?（y?==?8）
????????????????{
????????????????????y?=?0;
???????????????????str?=?str?+?（char）13?+?（char）10;?
????????????????}
????????????}
????????????return?str;
????????}
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????Thread?thread1?=?new?Thread（（）?=>
????????????{

????????????????int?result1?=?client1.ConnectTo（“192.168.1.110“?0?1

?屬性????????????大小?????日期????時(shí)間???名稱
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????.......??????2518??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\.gitattributes

????.......??????4305??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\.gitignore

????.......??????2518??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\NewRepo\.gitattributes

????.......??????4305??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\NewRepo\.gitignore

????.......???????184??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\App.config

????.......??????5074??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Form1.cs

????.......??????4382??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Form1.Designer.cs

????.......??????5889??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Form1.resx

????.......???????500??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Program.cs

????.......??????1282??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties\AssemblyInfo.cs

????.......??????2762??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties\Resources.Designer.cs

????.......??????5496??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties\Resources.resx

????.......??????1067??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties\Settings.Designer.cs

????.......???????242??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties\Settings.settings

????.......??????3565??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Snap7?read.csproj

????.......????108239??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\snap7.net.cs

????.......??????1104??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read.sln

?????目錄??????????0??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read\Properties

?????目錄??????????0??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\NewRepo

?????目錄??????????0??2018-10-29?14:55??Snap7-read-master\Snap7-read-master\Snap7?read

?????目錄??????????0??2018-10-29?14:55??Snap7-read-master\Snap7-read-master

?????目錄??????????0??2019-06-24?14:52??Snap7-read-master

-----------?---------??----------?-----??----

???????????????153432????????????????????22