Prevent OnIdle initialization from occurring more than once.
Prevent OnIdle initialization from occurring more than once.

huguesv/PTVS,Microsoft/PTVS,Microsoft/PTVS,Microsoft/PTVS,Microsoft/PTVS,DEVSENSE/PTVS,huguesv/PTVS,DEVSENSE/PTVS,huguesv/PTVS,huguesv/PTVS,DEVSENSE/PTVS,int19h/PTVS,zooba/PTVS,int19h/PTVS,int19h/PTVS,zooba/PTVS,huguesv/PTVS,Microsoft/PTVS,zooba/PTVS,DEVSENSE/PTVS,huguesv/PTVS,zooba/PTVS,DEVSENSE/PTVS,int19h/PTVS,int19h/PTVS,zooba/PTVS,Microsoft/PTVS,zooba/PTVS,int19h/PTVS,DEVSENSE/PTVS