C# 函数指针

Posted 2023-03-08 Thomas会写字

利用托管来实现

private void button2_Click(object sender, EventArgs e)

	n++;
	TTAdd(list, testFunc);

private void button3_Click(object sender, EventArgs e)

    TTDo(list);

public delegate void voidFuncDeleg();
List<voidFuncDeleg> list = new List<voidFuncDeleg>();
int n = 0;
void testFunc()

    MessageBox.Show(n.ToString());

void TTAdd(List<voidFuncDeleg> list, voidFuncDeleg func)

    for (int i = 0; i < list.Count; i++)
    
		if (list[i] == func)
			return;
    
    list.Add(func);

void TTDo(List<voidFuncDeleg> list)

    while (list.Count > 0)
    
		list[0]();
		list.RemoveAt(0);