Using Vb.net to connect with S7200 through Com




File list:
plc-and-pc-communication
.......................\plc-and-pc-communication
.......................\........................\bin
.......................\........................\...\Debug
.......................\........................\...\.....\plc-and-pc-communication.exe
.......................\........................\...\.....\plc-and-pc-communication.pdb
.......................\........................\...\.....\plc-and-pc-communication.vshost.exe
.......................\........................\...\.....\plc-and-pc-communication.xml
.......................\........................\...\Release
.......................\........................\...\.......\plc-and-pc-communication.exe
.......................\........................\...\.......\plc-and-pc-communication.pdb
.......................\........................\...\.......\plc-and-pc-communication.xml
.......................\........................\My Project
.......................\........................\..........\Application.Designer.vb
.......................\........................\..........\Application.myapp
.......................\........................\..........\AssemblyInfo.vb
.......................\........................\..........\Resources.Designer.vb
.......................\........................\..........\Resources.resx
.......................\........................\..........\Settings.Designer.vb
.......................\........................\..........\Settings.settings
.......................\........................\obj
.......................\........................\...\x86
.......................\........................\...\...\Debug
.......................\........................\...\...\.....\TempPE
.......................\........................\...\...\.....\......\My Project.Resources.Designer.vb.dll
.......................\........................\...\...\.....\DesignTimeResolveAssemblyReferences.cache
.......................\........................\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......................\........................\...\...\.....\GenerateResource.read.1.tlog
.......................\........................\...\...\.....\GenerateResource.write.1.tlog
.......................\........................\...\...\.....\plc-and-pc-communication.exe
.......................\........................\...\...\.....\plc-and-pc-communication.pdb
.......................\........................\...\...\.....\plc-and-pc-communication.vbproj.FileListAbsolute.txt
.......................\........................\...\...\.....\plc-and-pc-communication.xml
.......................\........................\...\...\.....\plc_and_pc_communication.Form1.resources
.......................\........................\...\...\.....\plc_and_pc_communication.Resources.resources
.......................\........................\...\...\Release
.......................\........................\...\...\.......\TempPE
.......................\........................\...\...\.......\......\My Project.Resources.Designer.vb.dll
.......................\........................\...\...\.......\DesignTimeResolveAssemblyReferencesInput.cache
.......................\........................\...\...\.......\GenerateResource.read.1.tlog
.......................\........................\...\...\.......\GenerateResource.write.1.tlog
.......................\........................\...\...\.......\plc-and-pc-communication.exe
.......................\........................\...\...\.......\plc-and-pc-communication.pdb
.......................\........................\...\...\.......\plc-and-pc-communication.vbproj.FileListAbsolute.txt
.......................\........................\...\...\.......\plc-and-pc-communication.xml
.......................\........................\...\...\.......\plc_and_pc_communication.Form1.resources
.......................\........................\...\...\.......\plc_and_pc_communication.Resources.resources
.......................\........................\Form1.Designer.vb
.......................\........................\Form1.resx
.......................\........................\Form1.vb
.......................\........................\plc-and-pc-communication.vbproj
.......................\........................\plc-and-pc-communication.vbproj.user
.......................\plc-and-pc-communication.sln
.......................\plc-and-pc-communication.suo