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Help / WLanguage / WLanguage functions / Standard functions / Windows functions / Serial/Parallel Ports functions
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Stored procedures
Retrieves the number of bytes waiting to be transferred in the output buffer of the specified serial port or parallel port.
WEBDEV - Server code This function returns information regarding the server.
Example
// Le port COM2 est ouvert
// Envoi d'un message au buffer de sortie de COM2
sWrite(2, MonMessage)
// Attendre la fin de l'écriture
LOOP
	IF sInExitQueue(2) = 0 THEN BREAK
END
Info("Fin de l'écriture")
Syntax
<Result> = sInExitQueue(<Port number>)
<Result>: Integer
Number of bytes waiting to be transferred.
<Port number>: Integer
  • Serial port number: 1, 2, 3, ... 32 for COM1, COM2, COM3, ... COM32.
  • Parallel port number: -1, -2, -3 or -4 for LPT1, LPT2, LPT3 or LPT4.
  • Number of relevant infrared port: 1, 2, 3, ... 32 for IR1, IR2, IR3, ... IR32.
  • Port number returned by sOpen (if this function was called with a port name).
Business / UI classification: Business Logic
Component: wd300com.dll
Minimum version required
  • Version 9
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Last update: 03/27/2025

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