public void Call()
{
// 原始
// GBDelegate gBDelegate = new GBDelegate (Sum); //GBDelegate gBDelegate=Sum;
// gBDelegate (5);
//匿名方法
// GBDelegate gBDelegate = delegate (int x) { return x + 5; };
// gBDelegate (5);
//lambda
// GBDelegate gBDelegate=x=>{return x+5;};
// gBDelegate(5);
//原始
// GBFunc<int, int, int> gBFunc = new GBFunc<int, int, int> (Sub); //GBFunc<int,int,int> gBFunc =Sub;
// gBFunc(5,1);
//匿名方法
//GBFunc<int, int, int> gBFunc=delegate(int arg1,int arg2){return arg1-arg2;};
//gBFunc(5,1);
//lambda
// GBFunc<int, int, int> gBFunc=(x1,x2)=>{return x1-x2;};
// gBFunc(5,1);
//委托套委托
GBFunc <GBDelegate, int, int> gBFunc = Multiplication;
}
//委托作为参数
public int Use(GBFunc <int, int, int> gBFunc)
{
return(gBFunc(default, default));
