Specify the Control that is to be displayed and the cell in the table that it is to be positioned above.
<p>Note: The Control provided as the editor <b>must</b> be created with its parent being the Table control
specified in the TableEditor constructor.
@param editor the Control that is displayed above the cell being edited
@param item the TableItem for the row of the cell being tracked by this editor
@param column the zero based index of the column of the cell being tracked by this editor
Specify the Control that is to be displayed and the cell in the table that it is to be positioned above.
<p>Note: The Control provided as the editor <b>must</b> be created with its parent being the Table control specified in the TableEditor constructor.
@param editor the Control that is displayed above the cell being edited @param item the TableItem for the row of the cell being tracked by this editor @param column the zero based index of the column of the cell being tracked by this editor