public 计算机1702_09223_13222_forget(计算机1702_09223_13222_main form) { InitializeComponent(); form_main = form; }
public 计算机1702_09223_13222_reg(计算机1702_09223_13222_main form) { InitializeComponent(); form_main = form; tb_email.LostFocus += new EventHandler(txt_LostFocus); //失去焦点后发生事件 }