Gets or sets whether the column can be focused via the TAB key.
true if the column can be focused via the TAB key; otherwise, false.
If the TabStop property is set to false, the column’s cells cannot be focused when navigating through cells via the TAB key. However, these cells can still be focused via the mouse or navigating through cells via the ARROW keys.
To prevent a column’s cells from being focused, use the ColumnBase.AllowFocus property.