private void detach_CPU(CPU entity)
		{
			this.SendPropertyChanging();
			entity.PC = null;
		}
		private void attach_CPU(CPU entity)
		{
			this.SendPropertyChanging();
			entity.PC = this;
		}
 partial void UpdateCPU(CPU instance);
 partial void DeleteCPU(CPU instance);
 partial void InsertCPU(CPU instance);