class TMyObject
{
private:
TOtherObject OtherObject;
public:
TMyObject()
{
OtherObject = new TOtherObject;

...... //这里的代码发生异常将导致OtherObject不会被释放！

}
~TMyObject()
{
......

delete OtherObject; //构造函数发生异常时析构函数根本不会被调用，此代码也不会被执行！
}
}