弹出窗口,委托调用实现数据刷新
样例代码如下
Form2 f2 = new Form2();
private void button1_Click(object sender, EventArgs e)
{
f2.MyA+= new Form2.AA(B);
f2.Show();
}
void B(string str){}
public delegate void AA(string str);
public event AA MyA;
private void button1_Click(object sender, EventArgs e)
{
this.MyA();
}