SetCommBreak function (winbase.h)

Suspends character transmission for a specified communications device and places the transmission line in a break state until the ClearCommBreak function is called.

Syntax

BOOL SetCommBreak(
  [in] HANDLE hFile
);

Parameters

[in] hFile

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

Return value

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.

Requirements

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

See also

ClearCommBreak

Communications Functions

Communications Resources

CreateFile