WPF PagFunction演示无法在intellisense中找到Return事件 [英] WPF PagFunction demo not able to find Return event in intellisense

问题描述

我正在写这段代码

private void button1_Click（object sender，RoutedEventArgs e）

{

Pagefunction apage = new Pagefunction（） ;

apage.Return + = new ReturnEventHandler< object>（apage_Return）;



NavigationService.Navigate（apage）;

}



但是在apage之后。返回事件是不是在intellisence请告诉我是否缺少任何汇编参考？

I am writing this code
private void button1_Click(object sender, RoutedEventArgs e)
{
Pagefunction apage = new Pagefunction();
apage.Return += new ReturnEventHandler<object>(apage_Return);

NavigationService.Navigate(apage);
}

but after apage. Return event is not there in intellisence please tell whether i am missing any assembly refrence?

推荐答案

它需要System.Windows.Navigation名称空间在使用部分，它需要特定类型初始化的参数如下所示

Its need System.Windows.Navigation namespace in using section and it requires specific type of argument for initialization like below

public Page1()
       {
           InitializeComponent();
           PageFunction<string> obj = new PageFunction<string>();
           obj.Return += obj_Return;
       }

       void obj_Return(object sender, ReturnEventArgs<string> e)
       {

       }

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