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问题描述
我想为我的 ReactiveUI 问题生成一个 MWE.但是我遇到了新问题.
I wanted to generate a MWE for my ReactiveUI problem. However I came across new problems.
这是我试过的:
using System;
using ReactiveUI;
using ReactiveUI.Fody.Helpers;
namespace ReactivUI_Test
{
class BarClass : ReactiveObject
{
[Reactive] public String Baz { get; set; } = "";
public BarClass(String b) { Baz = b; }
public BarClass() { Baz = "!!!"; }
public override String ToString() { return Baz.ToString(); }
}
class FooClass : ReactiveObject
{
[Reactive] public BarClass Bar { get; set; } = new BarClass();
public override String ToString() { return Bar.ToString(); }
}
class ViewModel: ReactiveObject
{
[Reactive] FooClass Foo { get; set; } = new FooClass();
public ViewModel()
{
this.WhenAnyValue(x => x.Foo.Bar.Baz)
.Subscribe(x => Console.WriteLine("Hallo " + x?.ToString())); // <- Runtime Error in this line
Console.WriteLine("Example 1");
this.Foo.Bar.Baz = null;
Console.WriteLine("Example 2a");
this.Foo.Bar = new BarClass();
Console.WriteLine("Example 2b");
this.Foo.Bar = new BarClass();
Console.WriteLine("Example 3");
this.Foo.Bar = new BarClass() { Baz = "Something" };
Console.WriteLine("Example 4");
this.Foo = new FooClass() ;
Console.WriteLine("Finish");
Console.ReadLine();
}
}
class Program
{
static void Main(string[] args)
{
ViewModel vm = new ViewModel();
}
}
}
我得到的运行时错误是:
The runtime error I get is:
TypeLoadException: Typ 的方法GetActivationForView""ReactiveUI.ActivationForViewFetcher" der Assembly "ReactiveUI.WPF,版本=9.11.0.0,文化=中性,PublicKeyToken=null"没有实施.
推荐答案
找到解决方案:
Nuget 数据包:未安装 ReactiveUI.WPF.
Nuget packet: ReactiveUI.WPF was not installed.
现在作为纯控制台应用程序工作.
Now working as pure console application.
输出:
Hallo !!!
Example 1
Hallo
Example 2a
Hallo !!!
Example 2b
Example 3
Hallo Something
Example 4
Hallo !!!
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