private void detach_DiskDrive(DiskDrive entity)
		{
			this.SendPropertyChanging();
			entity.DeviceTypes = null;
		}
		private void attach_DiskDrive(DiskDrive entity)
		{
			this.SendPropertyChanging();
			entity.PC = this;
		}
 partial void UpdateDiskDrive(DiskDrive instance);
 partial void DeleteDiskDrive(DiskDrive instance);
 partial void InsertDiskDrive(DiskDrive instance);