LinearSelectionManager

Marks the row as selected If there were other items in the selected buffer, this row will be appended to the buffer

Marks the row in page page as selected If there were other items in the selected buffer, this row will be appended to the buffer

Marks the item at row Number row in the current page If there were other rows in the selected buffer, they will all be removed

Marks the item at row Number row, in page page as selected If there were other rows in the selected buffer, they will all be removed

Unselects the item from row number row in the current page and effectively removes it from the selected buffer

Unselects the item from row number row in page page and effectively removes it from the selected buffer