Get Project or Relative Directory with T4

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") #>

You can grab the path like this aswell

<#@ template hostspecific="true" #>
<#= Path.GetDirectoryName(this.Host.TemplateFile) #>

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