parameters: (self)
docstring: Returns the Start X in the row that is selected.
docstring_summary: Returns the Start X in the row that is selected.
docstring_tokens: Returns the Start X in the row that is selected .
function: def selected_start_x(self) -> float:
          """Returns the Start X in the row that is selected."""
          if self._selected_row is not None:
              return float(self.correction_options_table.item(self._selected_row, START_X_COLUMN_INDEX).text())
          else:
              raise RuntimeError("There is no selected run/group table row.")
function_tokens: def selected_start_x ( self ) -> float : if self . _selected_row is not None : return float ( self . correction_options_table . item ( self . _selected_row , START_X_COLUMN_INDEX ) . text ( ) ) else : raise RuntimeError ( "There is no selected run/group table row." )