How to get Active Document should come front in word Addins

Question

How to get Active Document should come front in word Addins VSTO.

 

I am opening multiple word document files,but recently opened file is remains back.I want to get front using VSTO code.

 

 

Here is my code

Microsoft.Office.Interop.Word.Application app = null;

Microsoft.Office.Interop.Word.Document oWordDoc = null;

 

app = Globals.ThisAddIn.Application;

 

oWordDoc = app.Documents.Open(destinationPath, missing, false, missing, missing, missing, false, missing, missing, missing, missing, missing, missing

, missing, missing, missing);

oWordDoc.Activate();

 

Plese help me it is very urgent.