docs: public void init(BaseScreen gridScreen, int iIconField, int iStartDateTimeField, int iEndDateTimeField, int iDescriptionField, int iStatusField)
      {
          m_gridScreen = gridScreen;
          m_iDescriptionField = iDescriptionField;
          m_iStartDateTimeField = iStartDateTimeField;
          m_iEndDateTimeField = iEndDateTimeField; 
          m_iStatusField = iStatusField;
          m_iIconField = iIconField;
      }