private void changeService_ComponentChanging(object sender, ComponentChangingEventArgs e)
 {
     AssociatedFile.GiveUnsavedData();
     _propertyContainer.SelectedObjects = new object[] { e.Component };
 }
 private void changeService_ComponentsChanged(object sender, ComponentEventArgs e)
 {
     AssociatedFile.GiveUnsavedData();
 }