private void detach_DropFiles(DropFiles entity)
		{
			this.SendPropertyChanging();
			entity.Languages = null;
		}
		private void attach_DropFiles(DropFiles entity)
		{
			this.SendPropertyChanging();
			entity.Languages = this;
		}
		private void detach_DropFiles(DropFiles entity)
		{
			this.SendPropertyChanging();
			entity.Environments = null;
		}
 partial void DeleteDropFiles(DropFiles instance);
 partial void UpdateDropFiles(DropFiles instance);
 partial void InsertDropFiles(DropFiles instance);