`TfpgBaseGrid`
pt	ro	UpdateCount
pt		AlternateBGColor
pt		BorderStyle
pt		DefaultColWidth
pt		DefaultRowHeight
pt	ro	Font
pt		FontDesc
pt	ro	HeaderFont
pt		HeaderFontDesc
pt		FocusCol
pt		FocusRow
pt		HeaderStyle
pt		RowSelect
pt	ro	ColumnCount
pt		PopupMenu
pt	ro	RowCount
pt		ShowHeader
pt		ShowGrid
pt		ScrollBarStyle
pt	ro	HeaderHeight
pt	ro	TotalColumnWidth
pt		ColumnWidth
pt		ColumnBackgroundColor
pt		ColumnTextColor
pt	ro	VisibleRows
pt		TopRow
pt		Options