private void Free()
 {
     if (_container == null)
     {
         return;
     }
     _container.UnlockImage();
     _container = null;
 }
 private void Free()
 {
     if (_container == null) return;
     _container.UnlockImage();
     _container = null;
 }
 internal Locker(ImgContainer container)
 {
     _container = container;
     _container.LockImage();
 }
 internal Locker(ImgContainer container)
 {
     _container = container;
     _container.LockImage();
 }