Visual Basic.NET - ¿Cómo puedo insertar un salto de pagina en Excel desde Vb.net?

.ActiveSheet.Range("A45").Select()

 .ActiveSheet.HPageBreaks.Add.Cells("A44", 1)

.ActiveSheet.Range("A44").Select()

.ActiveSheet.HPageBreaks.Add(.ActiveCell)

'CREAMOS EL GRÁFICO

Dim chartPage As Excel.Chart

Dim exCharts As Excel.ChartObjects

Dim myChart As Excel.ChartObject

Dim chartRange As Excel.Range

.ActiveSheet.Range("A45").Select()  ' SELECCIONAMOS LA ÚLTIMA CELDA

.ActiveSheet.HPageBreaks.Add(.ActiveCell)  'CAMBIAMOS DE PÁGINA

exCharts = .ActiveSheet.ChartObjects

myChart = exCharts.Add(0, 338, 500, 300)

chartPage = myChart.Chart

chartRange = .ActiveSheet.Range("B1", "E32")

chartPage.SetSourceData(Source:=chartRange)

chartPage.ChartType = Excel.XlChartType.xl3DLine

For i As Integer = 1 To .ActiveSheet.HPageBreaks.count   ' Saltas horizontales

            .ActiveSheet.HPageBreaks(i).Delete()

Next

For i As Integer = 1 To .ActiveSheet.VPageBreaks.count   ' Saltas verticales

            .ActiveSheet.VPageBreaks(i).Delete()

Next