Description: C# to access the serial port using the API case, and the Internet generally not the same code because the API in question online, use this program entirely correct.
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File list (Check if you may need any files):
COMAPI\COMAPI\bin\Debug\COMAPI.exe
......\......\...\.....\COMAPI.pdb
......\......\...\.....\COMAPI.vshost.exe
......\......\COMAPI.csproj
......\......\CommPort.cs
......\......\CommPortDCB.cs
......\......\Form1.cs
......\......\Form1.Designer.cs
......\......\Form1.resx
......\......\obj\COMAPI.csproj.FileListAbsolute.txt
......\......\...\Debug\COMAPI.csproj.GenerateResource.Cache
......\......\...\.....\COMAPI.exe
......\......\...\.....\COMAPI.Form1.resources
......\......\...\.....\COMAPI.pdb
......\......\...\.....\COMAPI.Properties.Resources.resources
......\......\Program.cs
......\......\...perties\AssemblyInfo.cs
......\......\..........\Resources.Designer.cs
......\......\..........\Resources.resx
......\......\..........\Settings.Designer.cs
......\......\..........\Settings.settings
......\COMAPI.sln
......\COMAPI.suo
......\......\obj\Debug\Refactor
......\......\...\.....\TempPE
......\......\bin\Debug
......\......\obj\Debug
......\......\bin
......\......\obj
......\......\Properties
......\COMAPI
COMAPI