WPF行动退出

Question

在wpf我想知道当用户按X退出。

然后我想要做一些功能。

我该怎么做wpf c＃？

Answer 1

public partial class MainWindow 
{ 
    public MainWindow() 
    { 
     InitializeComponent(); 
     this.Closing += (sender, args) => ...; // Occurs after X is pressed. You can cancel closure here. 
     this.Closed += (sender, args) => ...; // Occurs when the window is already closed. 
    } 
}