示例：DisplayGridLines 属性

Private Sub ShowGridLines()
Trend1.XAxis.DisplayGridLines = True
Trend1.YAxis.DisplayGridLines = True
Trend1.XAxis.GridLineColor = rstColorGray
Trend1.YAxis.GridLineColor = rstColorGray
Trend1.XAxis.NumGridLines = 4
Trend1.XAxis.NumGridLines = 3
End Sub