I´am trying access to Smart Card Readers by Labview, but I have problems. I want to read SIM card GSM using Labview.!The file winscard.dll has the functions to access, but I dont have skill with "Using External codes in LabView".In MSDN library there is the specification about the functions for winscard.dllhttp://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/smart_card_authentication.aspWhen you install a driver for some smart card reader you access to it by winscard.dll.Att. Enrique

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