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Virtual Serial Port Control API >
ActiveX Component Reference > FTVSPCPort Class > Events > OnOpenBeforeAttach
The port has been opened by third-party serial application before your program calls Attach method.
| Visual Basic | Sub OnOpenBeforeAttach(pid As Long, Path As String)
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| Visual C++ (MFC) | void OnOpenBeforeAttach(long pid, LPCTSTR Path);
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pid
PID of the application opened the port.
Path
Full path to the application opened the port.