How to open the specific word from document collection.

Question

How to open the specific word document from document collection using VSTO. I am using add in.If I have docA and docB.First time I open docA and next time I will open docB.docB is opened but in screen docA is showing I want front screen as docB.

 

 Here is my code,

 

oWordDoc = Globals.ThisAddIn.Application.Documents.Open(destinationPath, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, true, missing

, missing, missing, missing);

oWordDoc.Activate();