Can I create a file that sits next to a .Designer.cs file in Visual Studio?

Question

In Visual Studio, two files are created when you create a new Windows Form in your solution (e.g. if you create MyForm.cs, MyForm.Designer.cs and MyForm.resx are also create

Answer 1

Open .csproj in edit mode, look for the file you want to be under another one, and add the DependentUpon element, like this:

  AlertDialog.xaml