code: public int setState(boolean state, boolean bDisplayOption, int moveMode)
      {
          double value = 0;
          if (state)
              value = 1;
          return this.setValue(value, bDisplayOption, moveMode);  // Move value to this field
      }
docs: For binary fields, set the current state.
  @param state The state to set this field.
  @param bDisplayOption Display changed fields if true.
  @param iMoveMode The move mode.
  @return The error code (or NORMAL_RETURN).