Class: TEgFireGridColumn
property MinFontSize: Single;The smallest font size shrink-to-fit may use in this column’s cells
and title (see ShrinkToFit
and TitleShrinkToFit).
Until it is assigned, the column follows the grid’s MinFontSize,
and changes with it. Assigning it, even to the value it already shows,
gives the column its own value (cvMinFontSize in AssignedValues),
which the grid’s no longer changes; RestoreDefaults
makes it follow the grid again.