>PROCEDURE grid1.Click > LOCAL lnRelCol, lnRelRow, lnWhere > STORE 0 TO lnWhere, lnRelRow, lnRelCol > This.GridHitTest(Thisform.nGridX, Thisform.nGridY, @lnWhere, @lnRelRow, @lnRelCol) > IF lnWhere = 3 && Cell > IF lnRelCol = 3 && column 3 > This.Columns(lnRelCol).check1.Value = NOT This.Columns(lnRelCol).check1.Value > ENDIF > ENDIF > ENDPROC > >>