画像の周囲に残像が残る (ID:142753)

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これでなんとか残像は見えなくなりました。
ただ、玉とピンが重なったときに玉の輪郭が黄色くなってしまうのが
気にはなりますが

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.BackColor = Color.Yellow '背景色
        bmp = New Bitmap(PictureBox1.Width, PictureBox1.Height)
        PictureBox1.Image = bmp

Me.DoubleBuffered = True

End Sub

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick

frg = Not frg
        x -= 5
      
        PictureBox1.Invalidate()

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Timer1.Start()

End Sub

Private Sub PictureBox1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
        Dim g As Graphics = e.Graphics
        g = Graphics.FromImage(PictureBox1.Image)
        img = Image.FromFile("\pin5.gif")

g.DrawImage(img, 30, 30, 25, 60)
        g.DrawImage(img, 70, 80, 25, 60)
        g.DrawImage(img, 110, 90, 25, 60)
        g.DrawImage(img, 150, 120, 25, 60)
        g.DrawImage(img, 30, 90, 25, 60)
        g.DrawImage(img, 70, 130, 25, 60)

g.DrawImage(img, 30, 150, 25, 60)
        g.DrawImage(img, 70, 180, 25, 60)
        g.DrawImage(img, 110, 150, 25, 60)

g.DrawImage(img, 30, 210, 25, 60)
      
        imgx = Image.FromFile("\1tama.gif")
        imgx2 = Image.FromFile("\x2tama.gif")

If frg = True Then
            g.FillEllipse(New SolidBrush(Color.Yellow), x, 155, 35, 35)
            g.DrawImage(imgx, x, 155, 30, 30)

Else
            g.FillEllipse(New SolidBrush(Color.Yellow), x, 155, 35, 35)
            g.DrawImage(imgx2, x, 155, 30, 30)

End If

←解決時は質問者本人がここをチェックしてください。

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