vb.net - API for Determining if App is Running on Citrix or Terminal Services -

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i'm looking api/function can call determine if software running on citrix, terminal services, or stand-alone pc. optimally, work this: 

select case apiwhatsystem.type.tostring    case "citrix"       bcitrix = true    case "ts"       bterminalservices = true    case "pc"       bpc = true end select

i prefer worked api call opposed looking @ in registry we're having more , more customers locking down registry.

thanks.

according to: http://forums.citrix.com/message.jspa?messageid=1363711 can check sessionname environment variable.

another simpler way read system environment variable "sessionname". if exists , starts "ica" you're running within citrix session. if starts "rdp" you're running within rdp session.

i tested pc , locally get:

c:\>echo %sessionname% console

while remotely got

c:\>echo %sessionname% rdp-tcp1

so seems might easy route go, otherwise sounds checking registry values or if dlls exist next best thing.


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