stringgrid行列的增加和删除

type

TExCell = class(TStringGrid)

public

procedure DeleteRow(ARow: Longint);

procedure DeleteColumn(ACol: Longint);

procedure InsertRow(ARow: LongInt);

procedure InsertColumn(ACol: LongInt);

end;

procedure TExCell.InsertColumn(ACol: Integer);

begin

ColCount :=ColCount +1;

MoveColumn(ColCount-1, ACol);

end;

procedure TExCell.InsertRow(ARow: Integer);

begin

RowCount :=RowCount +1;

MoveRow(RowCount-1, ARow);

end;

procedure TExCell.DeleteColumn(ACol: Longint);

begin

MoveColumn(ACol, ColCount -1);

ColCount := ColCount - 1;

end;

procedure TExCell.DeleteRow(ARow: Longint);

begin

MoveRow(ARow, RowCount - 1);

RowCount := RowCount - 1;

end;