Resources

You can refer to your resources in your code using reflection

System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("") 

Different Types

There are various types of files you can add as resources:
Strings -
Images -
Icons -
Audio -
Files -
Other -

Strings

Images

Icons

Properties - Build Action

table
None -
Compile -
Embedded Resource -

Properties - Copy To Output Directory