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How can I clear draw image on picturebox? The following doesn't help me: pictbox.Image = null; pictbox.Invalidate(); Please help. EDIT private void pictbox_Paint(object sender, PaintEventArgs e) { Graphics g = e.Graphics; vl.Draw(g, ref tran.realListForInsert); } public void Draw(Graphics g, ref List<double> arr) { g.DrawRectangle(new Pen(Brushes.Red, 3), nodeArr[Convert.ToInt32(templstName)].pict.Location.X, nodeArr[Convert.ToInt32(templstName)].pict.Location.Y, 25, 25); g.DrawRectangle(new Pen(Brushes.Green, 3), nodeArr[Convert.ToInt32(templstArgName)].pict.Location.X, nodeArr[Convert.ToInt32(templstArgName)].pict.Location.Y, 25, 25); nodeArr[Convert.ToInt32(templstName)].text.Text = arr[Convert.ToInt32(templstArgName)].ToString(); arr[Convert.ToInt32(templstName)] = arr[Convert.ToInt32(templstArgName)]; }
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