TableStyle.ShowAsAvailableTableStyle Property (Excel)
Returns or sets a table style shown as available in the table styles gallery. Read/write Boolean.
Version Added: Excel 2007
expression A variable that represents a TableStyle object.
If True, this style is shown in the gallery for table styles.
You can set this property to False even when the style is already applied to a table. In this case the gallery will not show the style and when the active cell is in that table, no style is shown as selected.