How to change the height of the row in WinForms GridControl?

//Apply Rowheight to the Row 3.
this.gridControl1.RowHeights[3] = 70;

'Apply Rowheight to the Row 3.
Me.gridControl1.RowHeights(3) = 70

void gridControl1_QueryRowHeight(object sender, Syncfusion.Windows.Forms.Grid.GridRowColSizeEventArgs e)
{
     // Apply Rowheights to the Row 3
     if (e.Index == 3)
     {
         e.Size = 70;
         e.Handled = true;
     }
}

Private Sub gridControl1_QueryRowHeight(ByVal sender As Object, ByVal e As Syncfusion.Windows.Forms.Grid.GridRowColSizeEventArgs)
 'Apply Rowheights to the Row 3
     If e.Index = 3 Then
          e.Size = 70
          e.Handled = True
     End If
End Sub