How to freeze the summary row at bottom of the grid in WinForms GridGroupingControl?

public class EngineSummaryGrid
{
    private GridControl grid;
    private GridGroupingControl parentGrid;

    public void WiredSummary(GridGroupingControl ggc)
    {
        parentGrid = ggc;
        parentGrid.TopLevelGroupOptions.ShowSummaries = false;
        parentGrid.TableModel.QueryColWidth += TableModel_QueryColWidth;
        parentGrid.TableControl.Layout += TableControl_Layout;
        //Initializing the grid with single row.
        grid = new GridControl();
        grid.ThemesEnabled = true;
        grid.Model.Options.NumberedRowHeaders = false;
        grid.Model.RowCount = 1;
        this.grid.Model.ColCount = this.parentGrid.TableDescriptor.Columns.Count;
        grid.Properties.ColHeaders = false;
        ggc.TableControl.Controls.Add(grid);
        SetSummary(ggc);
    }

    private void TableModel_QueryColWidth(object sender, GridRowColSizeEventArgs e)
    {
        this.grid.Model.ColWidths[e.Index] = e.Size;
    }

    private void TableControl_Layout(object sender, LayoutEventArgs e)
    {
        SummaryRowSize();
    }

    private void SummaryRowSize()
    {
        parentGrid.TableControl.ResetGridBounds();
        this.parentGrid.TableControl.ResetGridBounds();
        this.parentGrid.TableControl.GridBounds = new Rectangle(this.parentGrid.TableControl.GridBounds.X,
        this.parentGrid.TableControl.GridBounds.Y, this.parentGrid.TableControl.GridBounds.Width,
        this.parentGrid.TableControl.GridBounds.Height - (this.parentGrid.TableControl.DefaultRowHeight));
        int height = this.parentGrid.TableControl.GridBounds.Height + this.parentGrid.TableControl.DefaultRowHeight;
        this.grid.Location = new Point(0, height - this.parentGrid.TableControl.DefaultRowHeight);
        this.grid.Size = new Size(this.parentGrid.TableControl.ClientSize.Width, this.parentGrid.TableControl.DefaultRowHeight
    }
}

Public Class EngineSummaryGrid

    Private grid As GridControl
    Private parentGrid As GridGroupingControl

    Public Sub WiredSummary(ByVal ggc As GridGroupingControl)
        parentGrid = ggc
        parentGrid.TopLevelGroupOptions.ShowSummaries = False
        AddHandler parentGrid.TableModel.QueryColWidth, AddressOf TableModel_QueryColWidth
        AddHandler parentGrid.TableControl.Layout, AddressOf TableControl_Layout
        'Initializing the grid with single row.
        grid = New GridControl()
        grid.ThemesEnabled = True
        grid.Model.Options.NumberedRowHeaders = False
        grid.Model.RowCount = 1
        Me.grid.Model.ColCount = Me.parentGrid.TableDescriptor.Columns.Count
        grid.Properties.ColHeaders = False
        ggc.TableControl.Controls.Add(grid)
        SetSummary(ggc)
    End Sub

    Private Sub TableModel_QueryColWidth(ByVal sender As Object, ByVal e As GridRowColSizeEventArgs)
        Me.grid.Model.ColWidths(e.Index) = e.Size
    End Sub

    Private Sub TableControl_Layout(ByVal sender As Object, ByVal e As LayoutEventArgs)
        SummaryRowSize()
    End Sub

    Private Sub SummaryRowSize()
        parentGrid.TableControl.ResetGridBounds()
        Me.parentGrid.TableControl.ResetGridBounds()
        Me.parentGrid.TableControl.GridBounds = New Rectangle(Me.parentGrid.TableControl.GridBounds.X,
        Me.parentGrid.TableControl.GridBounds.Y,
        Me.parentGrid.TableControl.GridBounds.Width,
        Me.parentGrid.TableControl.GridBounds.Height - (Me.parentGrid.TableControl.DefaultRowHeight))

        Dim height As Integer = Me.parentGrid.TableControl.GridBounds.Height + Me.parentGrid.TableControl.DefaultRowHeight
        Me.grid.Location = New Point(0, height - Me.parentGrid.TableControl.DefaultRowHeight)
        Me.grid.Size = New Size(Me.parentGrid.TableControl.ClientSize.Width, Me.parentGrid.TableControl.DefaultRowHeight)
    End Sub
End Class

private void SetSummary(GridGroupingControl ggc)
{
     for (int j = 0; j < grid.Model.ColCount; j++)
     {
         GridSummaryRowDescriptor row = ggc.TableDescriptor.SummaryRows[0];
         GridSummaryColumnDescriptor scd = row.GetSummaryColumnAtCol(j);
         if (scd != null)
         {
             string text = scd.GetDisplayText(ggc.Engine.Table.DisplayElements[0].ParentGroup);
             grid.Model[1, j].CellValue = row.Title;
             grid.Model[1, j + 1].CellValue = text;
             grid.Model[1, j + 1].Enabled = false;
         }
     }
} 

Private Sub SetSummary(ByVal ggc As GridGroupingControl)
    For j As Integer = 0 To grid.Model.ColCount - 1
        Dim row As GridSummaryRowDescriptor = ggc.TableDescriptor.SummaryRows(0)
        Dim scd As GridSummaryColumnDescriptor = row.GetSummaryColumnAtCol(j)
        If scd IsNot Nothing Then
            Dim text As String = scd.GetDisplayText(ggc.Engine.Table.DisplayElements(0).ParentGroup)
            grid.Model(1, j).CellValue = row.Title
            grid.Model(1, j + 1).CellValue = text
            grid.Model(1, j + 1).Enabled = False
        End If
    Next j
End Sub

//To add the summary row grid to GridGrouping control
SummaryGrid = new EngineSummaryGrid();
SummaryGrid.WiredSummary(this.gridGroupingControl1); 

'To add the summary row grid to GridGrouping control 
 SummaryGrid = New EngineSummaryGrid()
 SummaryGrid.WiredSummary(Me.gridGroupingControl1)