Connect to Origin project and show the main window of Origin. Using ApplicationSI will not open new instance.
MAINWND_HIDE = 0 MAINWND_SHOW = 1 MAINWND_SHOWMINIMIZED = 2 MAINWND_SHOWMAXIMIZED =3 MAINWND_SHOW_BRING_TO_FRONT =100
The default value is MAINWND_SHOW.