• Full path of a unique temporary file.
• Empty string ("") if an error occurred (unable to get the temporary path of system). To find out the error details, use ErrorInfo associated with the errMessage constant.

Prefix (3 letters) for the name of the temporary file. This parameter is used to prefix the name of the temporary file. Only the first three letters will be taken into account.

Versions 15 and later

This parameter can be in Ansi or Unicode format.

New in version 15

This parameter can be in Ansi or Unicode format.

This parameter can be in Ansi or Unicode format.

Full or relative directory of the temporary file. A UNC path can be used. This directory name may (or may not) end with the "\" character. This directory must exist. Otherwise, a WLanguage error will occur.
If this parameter is not specified, the default directory will be:

• the temporary directory of Windows (if this directory exists on the current computer),
• the current directory (if the temporary directory of Windows does not exist on the current computer).

Versions 15 and later

This parameter can be in Ansi or Unicode format.

New in version 15

This parameter can be in Ansi or Unicode format.

This parameter can be in Ansi or Unicode format.

This directory must be a full directory or a UNC directory. It cannot be a relative directory. If this parameter is not specified, the default directory will be the temporary directory of Windows.