1.Resolved multiple issues and defects

2.Implemented a license management system requiring users to obtain updated "license.lic" files from the author

DriverTest/Program.cs

@@ -10,14 +10,13 @@ using S7CommPlusDriver;
 
 using S7CommPlusDriver.ClientApi;
 
-
 namespace DriverTest
 {
     class Program
     {
         static void Main(string[] args)
         {
-            string HostIp = "192.168.0.1";
+            string HostIp = "192.168.0.250";
             string Password = "";
             int res;
             List<ItemAddress> readlist = new List<ItemAddress>();
@@ -33,7 +32,8 @@ namespace DriverTest
             Console.WriteLine("Main - Versuche Verbindungsaufbau zu: " + HostIp);
 
             S7CommPlusConnection conn = new S7CommPlusConnection();
-            conn.OnlySecurePGOrPCAndHMI = true;//Only secure PG/PC and HMI communication
+            conn.OnlySecurePGOrPCAndHMI = false;
+            
             System.Diagnostics.Stopwatch stopwatch1 = new System.Diagnostics.Stopwatch();
             stopwatch1.Start();
             res = conn.Connect(HostIp, Password);
@@ -53,7 +53,7 @@ namespace DriverTest
                 res = conn.Browse(out vars);
                 Console.WriteLine("Main - Browse res=" + res);
                 #endregion
-                List<VarInfo> vars_ = vars.GetRange(0,50);
+                List<VarInfo> vars_ = vars.GetRange(0, 1000);
 #if _TEST_PLCTAG
                 #region Werte aller Variablen einlesen
                 Console.WriteLine("Main - Lese Werte aller Variablen aus");
@@ -63,7 +63,8 @@ namespace DriverTest
 
                 foreach (var v in vars_)
                 {
-                    taglist.Add(PlcTags.TagFactory(v.Name, new ItemAddress(v.AccessSequence), v.Softdatatype));
+                    ItemAddress itemAddress = new ItemAddress(v.AccessSequence);
+                    taglist.Add(PlcTags.TagFactory(v.Name, itemAddress, v.Softdatatype));
                 }
                 foreach (var t in taglist)
                 {
@@ -98,6 +99,7 @@ namespace DriverTest
                         string header = $"读取{vars_.Count}个变量耗时{ms}毫秒";
                         Console.WriteLine(header);
                     }
+                    System.Threading.Thread.Sleep(10);
                 }
 #endif
 

DriverTest/bin/Debug/key_20251031_150257.log

@@ -1,5 +0,0 @@
-SERVER_HANDSHAKE_TRAFFIC_SECRET 9d2884bb6d1ca343e259a23ffd195961228283a253916cb75661a90dbfa056f0 54afed328765987b013f17d3425b5ad139cd775ded5d8e9bd12fa96f93166508f793dca53267752de04c627218b51e4c
-EXPORTER_SECRET 9d2884bb6d1ca343e259a23ffd195961228283a253916cb75661a90dbfa056f0 eaa6ef9882ce9d8c002ab41043f699f94d2a34fae101b9a2cd773dfdf7e6329acb65f2f6301c6894331bb62c35a63429
-SERVER_TRAFFIC_SECRET_0 9d2884bb6d1ca343e259a23ffd195961228283a253916cb75661a90dbfa056f0 87149d68005b5512c6efbce24dcfb35146a4c49dcc2cc29d84294c566a45ee66b53df30eafea7c3f4070df9959d7f6be
-CLIENT_HANDSHAKE_TRAFFIC_SECRET 9d2884bb6d1ca343e259a23ffd195961228283a253916cb75661a90dbfa056f0 d1d792a9d1a2f49dbda3f09b48a25de60192cef4434efd5cf51a61f73ce9e6d7c4f4dc466a6694a6d5612efd2773f784
-CLIENT_TRAFFIC_SECRET_0 9d2884bb6d1ca343e259a23ffd195961228283a253916cb75661a90dbfa056f0 2238f875c69a7f5704c1792f3dec81b98af34d18643b467cccb730efc123c789632303c6e2c48dd2a397652ddfcf890a

DriverTest/bin/Debug/key_20251031_150910.log

@@ -1,5 +0,0 @@
-SERVER_HANDSHAKE_TRAFFIC_SECRET ef29f3273eb4c3848fb8e869418198253bb70d55e234e55ed14bf4b4bab5c5b4 5c61d992793df1e85a7f6d9c3ffd27084373954871a262ccd827c65dc9a10b0fb8153392ced7cacdcb5c523d5eac9adb
-EXPORTER_SECRET ef29f3273eb4c3848fb8e869418198253bb70d55e234e55ed14bf4b4bab5c5b4 97ed8911dac9e9e8543496c3ebf120a804da5fa88f70854e693a83db5b9f39d45a7c223f2782c6fc6943f18916c797f7
-SERVER_TRAFFIC_SECRET_0 ef29f3273eb4c3848fb8e869418198253bb70d55e234e55ed14bf4b4bab5c5b4 3ca5d277257f1f536affba73730ec5561eb3654eddb53146e3935f79f3dde5d9b11220936506aa7c2806ba0fd3df065c
-CLIENT_HANDSHAKE_TRAFFIC_SECRET ef29f3273eb4c3848fb8e869418198253bb70d55e234e55ed14bf4b4bab5c5b4 caf02ef79a590b2d9dd78149774174c4a305bc9255fb1df90c66f61e9445be5d74c43b2eff8be2aebfab27ca40751d3c
-CLIENT_TRAFFIC_SECRET_0 ef29f3273eb4c3848fb8e869418198253bb70d55e234e55ed14bf4b4bab5c5b4 9d6d6cc9fc091479726907304d7c47d84e718db4b09319871d009dc7eb19c5795487528194c362708cd86faf4452f73b

DriverTest/bin/Debug/license.lic

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<license id="fe76d797-6ecf-4e79-aa95-e2d30037a4c2" generate="2025-11-03T03:21:24.1952286" expiration="2025-11-10T03:21:24.1952286" type="Standard" AppName="Application" Fingerprint="0E963B0E20A1F6AC">
+  <name>EasyLicense</name>
+  <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
+    <SignedInfo>
+      <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
+      <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
+      <Reference URI="">
+        <Transforms>
+          <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
+        </Transforms>
+        <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
+        <DigestValue>2ARv1/EpdnU8XLyDEGR1br2dBD1EhjPyTuIem87R0YM=</DigestValue>
+      </Reference>
+    </SignedInfo>
+    <SignatureValue>DB6lmvc3b0zI9Y7k+SvGegAroCRxNxbIOAZydZMz7EpFW8yNDy6iIU9uuUBIhSYdk4mEIoroxFA6Ra2Ha9Gc0bShMtJdnyBVw2My+9DNFf1iA0Nzf7qdEUfR3dd4I+w/awgGBfAqO67LxPrCva3i+AitHgSMywadcJ+45lKJDbE=</SignatureValue>
+  </Signature>
+</license>

DriverTest/obj/Debug/DriverTest.csproj.FileListAbsolute.txt

@@ -3,12 +3,6 @@ C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\D
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\DriverTest.exe
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\DriverTest.pdb
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\S7CommPlusDriver.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\S7PublicKeys.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\S7Utilities.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\zlib.net.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\S7CommPlusAuth.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\bin\Debug\S7Family0.dll
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\obj\Debug\DriverTest.csproj.CopyComplete
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\obj\Debug\DriverTest.exe
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\obj\Debug\DriverTest.pdb
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\DriverTest\obj\Debug\DriverTest.csprojAssemblyReference.cache

S7CommPlusGUIBrowser/Form1.Designer.cs

@@ -26,8 +26,7 @@
             this.components = new System.ComponentModel.Container();
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
             this.groupBox1 = new System.Windows.Forms.GroupBox();
-            this.lbStatus = new System.Windows.Forms.Label();
-            this.label6 = new System.Windows.Forms.Label();
+            this.checkBox1 = new System.Windows.Forms.CheckBox();
             this.btnDisconnect = new System.Windows.Forms.Button();
             this.btnConnect = new System.Windows.Forms.Button();
             this.label2 = new System.Windows.Forms.Label();
@@ -45,6 +44,7 @@
             this.tbSymbol = new System.Windows.Forms.TextBox();
             this.label3 = new System.Windows.Forms.Label();
             this.statusStrip1 = new System.Windows.Forms.StatusStrip();
+            this.lbStatus = new System.Windows.Forms.ToolStripStatusLabel();
             this.txt_plcInfo = new System.Windows.Forms.ToolStripStatusLabel();
             this.groupBox1.SuspendLayout();
             this.groupBox2.SuspendLayout();
@@ -53,8 +53,7 @@
             // 
             // groupBox1
             // 
-            this.groupBox1.Controls.Add(this.lbStatus);
-            this.groupBox1.Controls.Add(this.label6);
+            this.groupBox1.Controls.Add(this.checkBox1);
             this.groupBox1.Controls.Add(this.btnDisconnect);
             this.groupBox1.Controls.Add(this.btnConnect);
             this.groupBox1.Controls.Add(this.label2);
@@ -68,21 +67,16 @@
             this.groupBox1.TabStop = false;
             this.groupBox1.Text = "Connection";
             // 
-            // lbStatus
+            // checkBox1
             // 
-            this.lbStatus.Location = new System.Drawing.Point(44, 114);
-            this.lbStatus.Name = "lbStatus";
-            this.lbStatus.Size = new System.Drawing.Size(116, 15);
-            this.lbStatus.TabIndex = 7;
-            // 
-            // label6
-            // 
-            this.label6.AutoSize = true;
-            this.label6.Location = new System.Drawing.Point(6, 114);
-            this.label6.Name = "label6";
-            this.label6.Size = new System.Drawing.Size(47, 12);
-            this.label6.TabIndex = 6;
-            this.label6.Text = "Status:";
+            this.checkBox1.AutoSize = true;
+            this.checkBox1.Location = new System.Drawing.Point(9, 112);
+            this.checkBox1.Name = "checkBox1";
+            this.checkBox1.Size = new System.Drawing.Size(156, 16);
+            this.checkBox1.TabIndex = 12;
+            this.checkBox1.Text = "Only secure PG/PC -HMI";
+            this.checkBox1.UseVisualStyleBackColor = true;
+            this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
             // 
             // btnDisconnect
             // 
@@ -136,7 +130,7 @@
             this.tbIpAddress.Name = "tbIpAddress";
             this.tbIpAddress.Size = new System.Drawing.Size(151, 21);
             this.tbIpAddress.TabIndex = 0;
-            this.tbIpAddress.Text = "192.168.0.250";
+            this.tbIpAddress.Text = "192.168.0.1";
             // 
             // treeView1
             // 
@@ -282,6 +276,7 @@
             // statusStrip1
             // 
             this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.lbStatus,
             this.txt_plcInfo});
             this.statusStrip1.Location = new System.Drawing.Point(0, 393);
             this.statusStrip1.Name = "statusStrip1";
@@ -289,6 +284,12 @@
             this.statusStrip1.TabIndex = 3;
             this.statusStrip1.Text = "statusStrip1";
             // 
+            // lbStatus
+            // 
+            this.lbStatus.Name = "lbStatus";
+            this.lbStatus.Size = new System.Drawing.Size(46, 17);
+            this.lbStatus.Text = "Status:";
+            // 
             // txt_plcInfo
             // 
             this.txt_plcInfo.Name = "txt_plcInfo";
@@ -335,12 +336,12 @@
         private System.Windows.Forms.Label label4;
         private System.Windows.Forms.TextBox tbSymbol;
         private System.Windows.Forms.Label label3;
-        private System.Windows.Forms.Label lbStatus;
-        private System.Windows.Forms.Label label6;
         private System.Windows.Forms.Button btnRead;
         private System.Windows.Forms.ImageList imageListTreeIcons;
         private System.Windows.Forms.StatusStrip statusStrip1;
         private System.Windows.Forms.ToolStripStatusLabel txt_plcInfo;
+        private System.Windows.Forms.ToolStripStatusLabel lbStatus;
+        private System.Windows.Forms.CheckBox checkBox1;
     }
 }
 

S7CommPlusGUIBrowser/Form1.cs

@@ -12,6 +12,7 @@ namespace S7CommPlusGUIBrowser
     {
 
         private S7CommPlusConnection conn = null;
+        private bool onlySecurePGOrPCAndHMI = false;
 
         public Form1()
         {
@@ -32,8 +33,7 @@ namespace S7CommPlusGUIBrowser
 
         private void setStatus(string status)
         {
-            lbStatus.Text = status;
-            lbStatus.Refresh();
+            lbStatus.Text = $"Status:{status}|";
         }
 
         private void btnConnect_Click(object sender, EventArgs e)
@@ -42,6 +42,7 @@ namespace S7CommPlusGUIBrowser
 
             if (conn != null) conn.Disconnect();
             conn = new S7CommPlusConnection();
+            conn.OnlySecurePGOrPCAndHMI = onlySecurePGOrPCAndHMI;
             int res = conn.Connect(tbIpAddress.Text, tbPassword.Text);
             if (res != 0)
             {
@@ -49,7 +50,7 @@ namespace S7CommPlusGUIBrowser
                 return;
             }
             setStatus("connected");
-            txt_plcInfo.Text = $"PLCType: {conn.PLCInformation.PLCType}";
+            txt_plcInfo.Text = $"PLCType: {conn.PLCInformation.PLCType}|MLFB: {conn.PLCInformation.MLFB}|Firmware: {conn.PLCInformation.Firmware}";
             treeView1.Nodes.Clear();
             setStatus("loading...");
             List<S7CommPlusConnection.DatablockInfo> dbInfoList;
@@ -402,5 +403,10 @@ namespace S7CommPlusGUIBrowser
                 MessageBox.Show("ERROR: " + ex.Message);
             }
         }
+
+        private void checkBox1_CheckedChanged(object sender, EventArgs e)
+        {
+                onlySecurePGOrPCAndHMI = checkBox1.Checked;
+        }
     }
 }

S7CommPlusGUIBrowser/Form1.resx

@@ -125,7 +125,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAAC4
-        KgAAAk1TRnQBSQFMAgEBJAEAAagBAAGoAQABEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
+        KgAAAk1TRnQBSQFMAgEBJAEAAbgBAAG4AQABEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
         AwABQAMAAaADAAEBAQABCAYAASgYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
         AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
         AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA

S7CommPlusGUIBrowser/bin/Debug/license.lic

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<license id="fe76d797-6ecf-4e79-aa95-e2d30037a4c2" generate="2025-11-03T03:21:24.1952286" expiration="2025-11-10T03:21:24.1952286" type="Standard" AppName="Application" Fingerprint="0E963B0E20A1F6AC">
+  <name>EasyLicense</name>
+  <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
+    <SignedInfo>
+      <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
+      <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
+      <Reference URI="">
+        <Transforms>
+          <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
+        </Transforms>
+        <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
+        <DigestValue>2ARv1/EpdnU8XLyDEGR1br2dBD1EhjPyTuIem87R0YM=</DigestValue>
+      </Reference>
+    </SignedInfo>
+    <SignatureValue>DB6lmvc3b0zI9Y7k+SvGegAroCRxNxbIOAZydZMz7EpFW8yNDy6iIU9uuUBIhSYdk4mEIoroxFA6Ra2Ha9Gc0bShMtJdnyBVw2My+9DNFf1iA0Nzf7qdEUfR3dd4I+w/awgGBfAqO67LxPrCva3i+AitHgSMywadcJ+45lKJDbE=</SignatureValue>
+  </Signature>
+</license>

S7CommPlusGUIBrowser/obj/Debug/S7CommPlusGUIBrowser.csproj.FileListAbsolute.txt

@@ -10,8 +10,3 @@ C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\o
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\obj\Debug\S7CommPlusGUIBrowser.csproj.CopyComplete
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\obj\Debug\S7CommPlusGUIBrowser.exe
 C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\obj\Debug\S7CommPlusGUIBrowser.pdb
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\bin\Debug\S7PublicKeys.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\bin\Debug\S7Utilities.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\bin\Debug\zlib.net.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\bin\Debug\S7CommPlusAuth.dll
-C:\Users\ShenX\Desktop\DiscoverDevices\S7CommPlusV3Driver\S7CommPlusGUIBrowser\bin\Debug\S7Family0.dll