With C# Prepared to run the serial port of a computer program, there are initialization, open, closed, read the serial port function and be able to find the status display serial DTR, DSR.

Packet : 3971004checkportstatus.rar filelist
CheckPortStatus\CheckPortStatus.sln
CheckPortStatus\CheckPortStatus.suo
CheckPortStatus\CheckPortStatus\CheckPortStatus.csproj
CheckPortStatus\CheckPortStatus\Form1.cs
CheckPortStatus\CheckPortStatus\Form1.Designer.cs
CheckPortStatus\CheckPortStatus\Form1.resx
CheckPortStatus\CheckPortStatus\PortProcess.cs
CheckPortStatus\CheckPortStatus\Program.cs
CheckPortStatus\CheckPortStatus\Properties\AssemblyInfo.cs
CheckPortStatus\CheckPortStatus\Properties\Resources.Designer.cs
CheckPortStatus\CheckPortStatus\Properties\Resources.resx
CheckPortStatus\CheckPortStatus\Properties\Settings.Designer.cs
CheckPortStatus\CheckPortStatus\Properties\Settings.settings
CheckPortStatus\CheckPortStatus\obj\CheckPortStatus.csproj.FileList.txt
CheckPortStatus\CheckPortStatus\obj\Debug
CheckPortStatus\CheckPortStatus\bin\Debug
CheckPortStatus\CheckPortStatus\Properties
CheckPortStatus\CheckPortStatus\obj
CheckPortStatus\CheckPortStatus\bin
CheckPortStatus\CheckPortStatus
CheckPortStatus

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