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与使用xamarin形式的视图的click事件相比，使用viewmodel命令有什么优势？

[英]what is the advantage of using viewmodel commands as compared to the view's click events in xamarin forms

原文 2017-05-04 09:45:49 6 1 c#/ xaml/ design-patterns/ xamarin

I would like know the advantage of using commands in viewmodel in xamarin as compared to the click event handlers in the view class. 我想知道与在视图类中的click事件处理程序相比，在xamarin的viewmodel中使用命令的优势。 Click events seems simpler to use. 点击事件似乎更易于使用。 Please point out the pros and cons of both approches. 请指出两种方法的利弊。

Thanks 谢谢

1 个解决方案

Click events are tightly bound to your view and cannot be unit test. 点击事件与您的视图紧密相关，不能进行单元测试。 Using commands in view model makes the testing process very easy. 在视图模型中使用命令使测试过程非常容易。 This is a great view which will help clear thing up in detail. 这是一个很棒的视图，可以帮助您详细了解事情。 view models and unit testing 查看模型和单元测试

Xamarin形式。单击按钮后从ViewModel加载View - Xamarin Forms. Load View from ViewModel after button click

使用Xamarin.Forms自定义渲染器时转发事件/命令 - Forwarding events/commands when using Xamarin.Forms Custom Renderer

Xamarin Forms：如何使用命令将对象和事件发送到 ImageButton 上的 ViewModel - Xamarin Forms: How to send object and event through to ViewModel on ImageButton Clicked using Commands

Xamarin.Forms中View和ViewModel之间的通信 - Communication between View and ViewModel in Xamarin.Forms

在单个View Xamarin表单中加载多个ViewModel - Loading Multiple ViewModel in a single View Xamarin Forms

MVVMCross：如何将Xamarin.Android事件绑定到ViewModel命令 - MVVMCross: How to bind Xamarin.Android events to ViewModel commands

如何在Xamarin表单按钮上访问viewmodel命令？ - How do I access my viewmodel commands on a Xamarin Forms button?

Xamarin 表单在 ViewModel 中使用多个列表 - Xamarin Forms Using multiple lists in ViewModel

MVVM视图模型事件（命令？） - MVVM viewmodel events (commands?)

Xamarin.Forms - 将值从 View 传递到 ViewModel - Xamarin.Forms - Pass a value from View to ViewModel

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相关问题 Xamarin形式。单击按钮后从ViewModel加载View - Xamarin Forms. Load View from ViewModel after button click 使用Xamarin.Forms自定义渲染器时转发事件/命令 - Forwarding events/commands when using Xamarin.Forms Custom Renderer Xamarin Forms：如何使用命令将对象和事件发送到 ImageButton 上的 ViewModel - Xamarin Forms: How to send object and event through to ViewModel on ImageButton Clicked using Commands Xamarin.Forms中View和ViewModel之间的通信 - Communication between View and ViewModel in Xamarin.Forms 在单个View Xamarin表单中加载多个ViewModel - Loading Multiple ViewModel in a single View Xamarin Forms MVVMCross：如何将Xamarin.Android事件绑定到ViewModel命令 - MVVMCross: How to bind Xamarin.Android events to ViewModel commands 如何在Xamarin表单按钮上访问viewmodel命令？ - How do I access my viewmodel commands on a Xamarin Forms button? Xamarin 表单在 ViewModel 中使用多个列表 - Xamarin Forms Using multiple lists in ViewModel MVVM视图模型事件（命令？） - MVVM viewmodel events (commands?) Xamarin.Forms - 将值从 View 传递到 ViewModel - Xamarin.Forms - Pass a value from View to ViewModel

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