private void erosionSimToolStripMenuItem_Click(object sender, EventArgs e) { var dlg = new OpenFileDialog(); dlg.Filter = "Uber surface files (*.uber)|*.uber"; if (dlg.ShowDialog() == DialogResult.OK) { var system = new GUILayer.ErosionIterativeSystem(dlg.FileName); var form = new Erosion(system); form.Show(); _forms.Add(form); } }