Public Sub AddLine( _
   ByVal li As LineInfo _
) 

public void AddLine( 
   LineInfo li
)

private void btnSpread_Click(object sender, System.EventArgs e)
{
//Dimension a Workbook and add a sheet to its Sheets collection
GrapeCity.SpreadBuilder.Workbook sb = new GrapeCity.SpreadBuilder.Workbook();
sb.Sheets.AddNew();

//Set up properties and values for columns, rows and cells as desired
sb.Sheets[0].Name = "Customer Call List";
sb.Sheets[0].Columns(0).Width = 2 * 1440;
sb.Sheets[0].Columns(1).Width = 1440;
sb.Sheets[0].Columns(2).Width = 1440;
sb.Sheets[0].Rows(0).Height = 1440 / 4;
//Header row
sb.Sheets[0].Cell(0, 0).SetValue("Company Name");
sb.Sheets[0].Cell(0, 0).FontBold = true;
sb.Sheets[0].Cell(0, 1).SetValue("Contact Name");
sb.Sheets[0].Cell(0, 1).FontBold = true;
sb.Sheets[0].Cell(0, 2).SetValue("Phone");
sb.Sheets[0].Cell(0, 2).FontBold = true;
//First row of data
sb.Sheets[0].Cell(1, 0).SetValue("GrapeCity");
sb.Sheets[0].Cell(1, 1).SetValue("Mortimer");
sb.Sheets[0].Cell(1, 2).SetValue("(614) 895-3142");

GrapeCity.SpreadBuilder.Imaging.LineInfo l = new GrapeCity.SpreadBuilder.Imaging.LineInfo();
l.ColumnLeft = 3; //starting column for the line
l.Color = System.Drawing.Color.Salmon; //color for the line
l.ColumnRight = 8; //ending column for the line
l.dxL = 50;
l.dxR = 60;
l.dyB = 80;
l.dyT = 10;
l.EndAHLength = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadLengths.Long; //length of the ending arrowhead
l.EndAHStyle = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadStyles.DoubleEndedOpen; //style of the ending arrowhead
l.EndAHWidth = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadWidths.Wide; //width of the ending arrowhead
l.fAuto = true;
l.iQu = GrapeCity.SpreadBuilder.Imaging.ObjectDirection.UpperLeftToLowerRight; //direction of the line
l.MoveType = GrapeCity.SpreadBuilder.Imaging.SBFloatingMoveType.MoveSize; //sets whether user will be able to move and/or resize the line
l.RowBottom = 8; //bottom row for the line
l.RowTop = 1; //top row for the line
l.StartAHLength = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadLengths.Long; //length of the starting arrowhead
l.StartAHStyle = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadStyles.DoubleEndedOpen; //style of the starting arrowhead
l.StartAHWidth = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadWidths.Wide;
l.Style = GrapeCity.SpreadBuilder.Imaging.LineStyles.Dash; //style of the line
l.Weight = 5; //thickness of the line

sb.Sheets[0].AddLine(l);

//Save the Workbook to an Excel file
sb.Save(Application.StartupPath + @"\x.xls");

MessageBox.Show("Your Spreadsheet, " + sb.Sheets[0].Columns(0).OwnerSheet.Name + ", has been saved to " + Application.StartupPath + "\\x.xls");
}

Private Sub btnSpread_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSpread.Click
    'Dimension a Workbook and add a sheet to its Sheets collection
    Dim sb As New GrapeCity.SpreadBuilder.Workbook
    sb.Sheets.AddNew()
        
    'Set up properties and values for columns, rows and cells as desired
    With sb.Sheets(0)
        .Name = "Customer Call List"
        .Columns(0).Width = 2 * 1440
        .Columns(1).Width = 1440
        .Columns(2).Width = 1440
        .Rows(0).Height = 1440 / 4
        .Rows(0).AutoSize = False
        'Header row
        .Cell(0, 0).SetValue("Company Name")
        .Cell(0, 0).FontBold = True
        .Cell(0, 1).SetValue("Contact Name")
        .Cell(0, 1).FontBold = True
        .Cell(0, 2).SetValue("Phone")
        .Cell(0, 2).FontBold = True
        'First row of data
        .Cell(1, 0).SetValue("GrapeCity")
        .Cell(1, 1).SetValue("Mortimer")
        .Cell(1, 2).SetValue("(614) 895-3142")
    End With
    Dim l As New GrapeCity.SpreadBuilder.Imaging.LineInfo
    With l
        .ColumnLeft = 3 'starting column for the line
        .Color = System.Drawing.Color.Salmon 'color for the line
        .ColumnRight = 8 'ending column for the line
        .dxL = 50
        .dxR = 60
        .dyB = 80
        .dyT = 10
        .EndAHLength = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadLengths.Long 'length of the ending arrowhead
        .EndAHStyle = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadStyles.DoubleEndedOpen 'style of the ending arrowhead
        .EndAHWidth = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadWidths.Wide 'width of the ending arrowhead
        .fAuto = True
        .iQu = GrapeCity.SpreadBuilder.Imaging.ObjectDirection.UpperLeftToLowerRight 'direction of the line
        .MoveType = GrapeCity.SpreadBuilder.Imaging.SBFloatingMoveType.MoveSize 'sets whether user will be able to move and/or resize the line
        .RowBottom = 8 'bottom row for the line
        .RowTop = 1 'top row for the line
        .StartAHLength = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadLengths.Long 'length of the starting arrowhead
        .StartAHStyle = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadStyles.DoubleEndedOpen 'style of the starting arrowhead
        .StartAHWidth = GrapeCity.SpreadBuilder.Imaging.LineArrowHeadWidths.Wide
        .Style = GrapeCity.SpreadBuilder.Imaging.LineStyles.Dash 'style of the line
        .Weight = 5 'thickness of the line
    End With
    sb.Sheets(0).AddLine(l)

    'Save the Workbook to an Excel file
    sb.Save(Application.StartupPath & "\x.xls")

    MsgBox("Your Spreadsheet, " & sb.Sheets(0).Columns(0).OwnerSheet.Name & ", has been saved to " & Application.StartupPath & "\x.xls")
End Sub