partial void DeleteSoundCard(SoundCard instance);
 partial void UpdateSoundCard(SoundCard instance);
		private void detach_SoundCard(SoundCard entity)
		{
			this.SendPropertyChanging();
			entity.PC = null;
		}
 partial void InsertSoundCard(SoundCard instance);
		private void attach_SoundCard(SoundCard entity)
		{
			this.SendPropertyChanging();
			entity.PC = this;
		}