// Open an XLS file
FileIdentifier is int 
FileIdentifier = xlsOpen("C:\My Documents\Test.XLS")

// Operations on the XLS file
// ...

// Retrieve the current worksheet
Worksheet is int = xlsCurrentWorksheet(FileIdentifier)
Info("The current worksheet is " + Worksheet)

// Open an XLS file
FileIdentifier is int = xlsOpen("C:\My Documents\Test.XLS")

// Position on the last worksheet of the file
NbWorksheet is int = xlsNbWorksheet(FileIdentifier)
IF xlsCurrentWorksheet(FileIdentifier, NbWorksheet) = True THEN
	Info("The current worksheet was modified.")
END

cMyXLSFile is xlsDocument
sMyFile is string = "File.xls"	// Full name of the file to open

cMyXLSFile = xlsOpen(sMyFile, xlsWrite)
IF ErrorOccurred = False THEN
	Azz is int = xlsCurrentWorksheet(cMyXLSFile)
	Info("Current worksheet in the Excel file: " + Azz)
	// Change worksheet
	IF xlsCurrentWorksheet(cMyXLSFile, 2) = True THEN
		Info("The current worksheet was modified.")
		// Read a cell for test
		Info(xlsData(cMyXLSFile, 11, 2))
	ELSE
		Error("The selected file does not include a second worksheet!")
	END 
ELSE
	Error(ErrorInfo(errFullDetails))
END
xlsClose(cMyXLSFile)