C# と VB.NET の質問掲示板

■No72476 (沙奈 さん) に返信
> Private Sub Chart1_PostPaint(ByVal sender As Object, ByVal e As System.Windows.Forms.DataVisualization.Charting.ChartPaintEventArgs) Handles Chart1.PostPaint
> を、
> Private Sub Chart1_PrePaint(ByVal sender As Object, ByVal e As System.Windows.Forms.DataVisualization.Charting.ChartPaintEventArgs) Handles Chart1.PrePaint
> にはしてみましたがすみません。それ以上は分かりません。
> 

 
Private Sub Chart1_PrePaint(～) Handles Chart1.PrePaint
    If keisen Then
        x1 = ・・・
        e.ChartGraphics.Graphics.DrawLine(Pens.Black, x1, 0, x1, Chart1.Height)
    End If
End Sub