Coding
Notice the template code in your Visual Studio, there are some words that get colored differently, it called syntax highlighting.
Here are some features in Visual Studio.
When start typing, before save the project.
After save the project.
Warning means there's something we've forgotten to do and there's potentially a bug in the code.
Error shows up in underline colored red.
It will appear suggestion box when we start typing, just select the one that we want and hit tab in keyboard.