private void DrawSnapButton()
 {
     if (GUILayout.Button("Snap"))
     {
         SnapToGrid.SnapObjects();
     }
 }
        static void Init()
        {
            // Get existing open window or if none, make a new one:
            SnapToGrid window = ( SnapToGrid )EditorWindow.GetWindow(typeof(SnapToGrid));

            window.Show();

            SnapToGrid.SnapObjects();
        }