如何获取使用的uri但抛出UriFormatException？

Question

我正在使用webview，并且一度导航到URi Scheme，我订阅了一个名为UnsupportedUriSchemeIdentified的事件。

但是当我检查它的事件参数时，它说无法解析uri，如何获取它试图解析的uri

Answer 1

由于UWP的源代码没有浮动，我无法访问sdk，我将展示一种方法，而不是直接提供解决方案。

我认为EventArgs看起来有点像这样：

public sealed class SomeEventArgs : EventArgs
{
    private readonly string address;
    public Uri Uri => new Uri(address);

    public SomeEventArgs(string address)
    {
        this.address = address;
    }
}

// If the address is not formatted property, 
// trying to get the `Uri` will cause an exception to be thrown: 
var e = new SomeEventArgs("qwe'1231[e);");

// But, we can use to reflection to find out what private fields are,
// and possibly dug out something interesting
var fields = typeof(SomeEventArgs).GetFields(BindingFlags.NonPublic | BindingFlags.Instance)
    .Select(x => new { x.Name, x.FieldType });

// Say if you find something interesting, like 'address',
// you can retrieve its value like this
var address = typeof(SomeEventArgs).GetField("address", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(e);