How to reference a class in another TypeScript file? -

How can I access classes in a more .ts file in TypeScript?

Example

App

  window.onload = () = & gt; {/// & lt; Reference path = "Tiling engine / software renderer." & Gt; Var Drawing = New Soft Renderer (); };    Fails   
 See also  
 
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 (I'm not using the module)   
 
 
 Your reference commentary should be at the top of your file and must be clamped on your own. / P> 
  /// & lt; reference path = "tiling engine / software renderer." / & Gt; Window.onload = () = & gt; {var drawingTool = new sof renderer ();} ;