title: Problem running TextTransform.exe when using T4Toolbox
body: <p>I'm attempting to run <code>TextTransform.exe</code> to generate code using a T4 template file. 
  The template file is dependent on the <code>T4Toolbox</code> (specifically, it contains classes implementing the T4Toolbox.Template class).</p>
  
  <p>As such, it includes the file <code>t4toolbox.tt</code>, which contains the following directives: </p>
  
  <pre><code>&lt;#@ dte processor="T4Toolbox.DteProcessor" #&gt;
  
  &lt;#@ TransformationContext processor="T4Toolbox.TransformationContextProcessor" #&gt;
  </code></pre>
  
  <p>During execution, I get the following error for both the referenced processors: </p>
  
  <pre><code>C:\Program Files\T4 Toolbox\t4toolbox.tt(1,4) : error : A processor named 'T4Toolbox.DteProcessor' could not be found for the directive named 'dte'. The transfo
  rmation will not be run.  The following Exception was thrown:
  System.IO.FileNotFoundException: Failed to load directive processor T4Toolbox.DteProcessor.
     at Microsoft.VisualStudio.TextTemplating.CommandLine.CommandLineHost.ResolveDirectiveProcessor(String processorName)
     at Microsoft.VisualStudio.TextTemplating.Engine.ProcessCustomDirectives(ITextTemplatingEngineHost host, TemplateProcessingSession session, List`1 directivesT
  oBeProcessed)
  </code></pre>
  
  <p>I'm running the exe with the following parameters:</p>
  
  <pre><code>TextTransform.exe
  -I "C:\Program Files\T4 Toolbox" 
  -P "[Framework3.5],[VS2008 PublicAssemblies]" 
  -dp "XsdProcessor!T4Toolbox.XsdProcessor!T4Toolbox.dll" 
  -r "T4Toolbox.dll" mytemplate.tt
  </code></pre>
  
  <p>I've tried to include addition directive processors with multiple -dp parameters, and with a comma separated list (I can see both the <code>DteProcessor</code> and <code>TransformationContextProcessor</code> are implemented in <code>T4Toolbox</code>, so presumably the syntax is similar to the specification of the <code>XsdProcessor</code>?)</p>
  
  <p>Any ideas on how to get rid of these errors? The template generation runs perfectly inside visual studio.</p>