The COMMTIMEOUTS structure is used in the SetCommTimeouts and GetCommTimeouts functions to set and query the time-out parameters for a communications device. The parameters determine the behavior of ReadFile, WriteFile, ReadFileEx, and WriteFileEx operations on the device.

kernel32

2: GetCommTimeouts

Summary

The GetCommTimeouts API

static extern bool GetCommTimeouts(IntPtr hFile,

<DllImport("kernel32.dll", SetLastError:=True)> Private Shared Function GetCommTimeouts(ByVal hFile As IntPtr, ByRef lpCommTimeouts As COMMTIMEOUTS) As Boolean

Documentation

[GetCommTimeouts] on MSDN

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