title: c# open file with default application and parameters
body: <p>The most easy way to open a file with the default application is:</p>
  
  <pre><code>System.Diagnostics.Process.Start(@"c:\myPDF.pdf");
  </code></pre>
  
  <p>However, I would like to know if exists a way to set parameters to the default application, because I would like to open a pdf in a determinate page number.</p>
  
  <p>I know how to do it creating a new process and setting the parameters, but this way I need to indicate the path of the application, and I would like to have a portable application and not to have to set the path of the application each time I use the application in other computer. My idea is that I expect that the computer has installed the pdf reader and only say what to page open.</p>
  
  <p>Thanks.</p>