1. Mobile development----My first program

If you have any further questions, please refer to ===> Exception handling summary-Mobile series (points)

Add Item

Look at the project, much different from before, a lot of things can not be used, such as the file class, such as "mainpage.xaml equivalent to the main form"

The app () method inside the App.xaml is equivalent to the main method

Add a button

Write point code, debug information output + text assignment

Select a suitable simulator

What it looks like after it's started

The button shows up.

This is the output.

A few clicks to see the effect ==> perfect ~ ~ ~

1. Mobile development----My first program