Get Project or Relative Directory with T4

Question

How can I get a reference to the directory of the visual studio project or solution or the directory of the t4 template from within a t4 template?

I have a template that

Answer 1

See The Host Specific Parameter section HERE.

This snippet shows how to get the full path of src relative to the template.

<#@ template hostspecific="true" #>
// The location of the src folder relative to the t4 template:
// <#= Host.ResolvePath("src") #>