//Interactors private static void get_coordinates(vtkObject sender, vtkObjectEventArgs e) { int[] cur = renWin.GetPosition(); string txt = ""; foreach (int num in cur) { txt += System.String.Format("{0}", num); txt += "|"; } StreamWriter file = new StreamWriter(@"C:\\users\\jfrondel\\desktop\\GITS\\VTKOUTPUT.txt"); file.WriteLine(txt); }