How can I get DTE instance in a VS package project? It\'s straigtforward in addin project since application
is being passed as an argument to onConnection
You can get a null instance getting the SDTE service if the shell is not fully initialized. See how to handle that in this code sample:
HOWTO: Get the EnvDTE.DTE instance from a package
From your main Package class:
EnvDTE80.DTE2 dte = this.GetService(typeof(Microsoft.VisualStudio.Shell.Interop.SDTE)) as EnvDTE80.DTE2;