private void edge_dlg()
{
if (dlgCanny == null)
{
dlgCanny = new DlgParams();
dlgCanny.BackColor = Color.FromArgb(244, 239, 240);
dlgCanny.Icon = this.Icon;
dlgCanny.Text = "Canny";
dlgCanny.AddTrackbar("Thres 1", 0, 0, 255, 1, 0);
dlgCanny.AddTrackbar("Thres 2", 1, 0, 255, 1, 0);
dlgCanny.Show();
dlgCanny.Location = new Point(675, 500);
}
}