好像是在.NET Framework重写该方法时,可选参数存在问题.下面代码的输出是:
class Program
{
class AAA
{
public virtual void MyMethod(string s = "aaa")
{
Console.WriteLine(s);
}
public virtual void MyMethod2()
{
MyMethod();
}
}
class BBB : AAA
{
public override void MyMethod(string s = "bbb")
{
base.MyMethod(s);
}
public override void MyMethod2()
{
MyMethod();
}
}
static void Main(string[] args)
{
BBB asd = new BBB();
asd.MyMethod();
asd.MyMethod2();
}
}