… = Font[…] (gb.qt4)

Dim hFont As Font
hFont = Font [ Font As String ]

Creates a new font object from a font description and returns it.

The string is a list of the font properties separated by commas. For example:
Font["Bitstream Vera Serif,Bold,24"]

The fields are really only separated by commas. Whitespace is significant:

Font["Bitstream Vera Serif, Bold, 24"]

will be different from the above example.