SetCommTimeouts function (winbase.h)

Sets the time-out parameters for all read and write operations on a specified communications device.

Syntax

BOOL SetCommTimeouts(
  [in] HANDLE         hFile,
  [in] LPCOMMTIMEOUTS lpCommTimeouts
);

[in] hFile

A handle to the communications device. The CreateFile function returns this handle.

[in] lpCommTimeouts

A pointer to a COMMTIMEOUTS structure that contains the new time-out values.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Requirement	Value
Minimum supported client	Windows XP [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2003 [desktop apps \| UWP apps]
Target Platform	Windows
Header	winbase.h (include Windows.h)
Library	Kernel32.lib
DLL	Kernel32.dll