private void ShowMarkerImport_Checked(object sender, RoutedEventArgs e) { if (markerImport == null) { markerImport = new MarkerImportWindow(airfield, this); } markerImport.Closed += MarkerImport_Closed; markerImport.Show(); }
private void MarkerImport_Closed(object sender, EventArgs e) { markerImport = null; }