Exports to a file of the specified format.
This method also supports initializing an add-in to export a file to a fixed-format file. For example, Excel will perform file format conversion if the converters are present. The conversion is usually initiated by the user.
The following argument is required
Possible Values are xlTypePDF - "PDF" - Portable Document Format file (.pdf), xlTypeXPS - "XPS" - XPS Document (.xps).
The following arguments are optional
Possible Values are xlQualityMinimum - Minimum quality, xlQualityStandard - Standard quality.