Recently, I built a simple validation framework which can work with WPF. I found I can use class attribute and reflection to achieve this purpose. Firstly, I define a Required Attribute to see whether the property requires a value… more »

I got an app to call api in my server for loading the data. This make sense to use asynchronous methods for loading the data. I don't want the whole UI is locked for waiting the data. But I found more »