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{description}
{excerpt}Passes a presentation from [PowerPointApplication|PowerPointApplication] to [PowerPointTemplate|PowerPointTemplate]. 
{excerpt}
{signature:C#}
 public virtual void Open(PowerPointApplication pptApplication, Presentation presentation)
{signature}
{signature:vb.net}
Public Overridable Sub Open(ByVal pptApplication As PowerPointApplication, ByVal presentation As Presentation)
{signature}
{parameters}
{param:pptApplication}The instance of {{PowerPointApplication}} that was used to create the spreadsheet.
{param}
{param:presentation}A [Presentation|Presentation] object representing the PowerPoint file created with {{PowerPointApplication}}.
{param}
{exceptions}
{exception:ArgumentNullException}[Open|PowerPointTemplate.Open] will throw this exception if {{null}} \(C\#\) or {{Nothing}} \(VB.NET\) is passed to the method.
{exception}
{exception:ArgumentException}
{exception}
{remarks}
You can use {{PowerPointApplication}} to create a document with data markers \(a template\) and pass the file to {{PowerPointTemplate}} to populate the data markers.

{remarks}
{example}{code:csharp|title=C#}

          PowerPointApplication ppta = new PowerPointApplication();
          Presentation pres = ppta.Create(PowerPointApplication.FileFormat.Pptx);
          PowerPointTemplate pptt = new PowerPointTemplate();
          pptt.Open(ppta, pres);

        {code}
{code:vbnet|title=vb.net}

          Dim ppta As New PowerPointApplication()
          Dim pres As Presentation = ppta.Create(PowerPointApplication.FileFormat.Pptx)
          Dim pptt As New PowerPointTemplate()
          pptt.Open(ppta, pres)

        {code}

{example}