c# - What is exacly ms_nfp_launchargs in Windows Phone? -

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if want run parameters of application write:

navigationcontext.querystring.trygetvalue("ms_nfp_launchargs", out value);

what exacly ms_nfp_launchargs? defined? background of value?

i know key, want know more.

it used nfc functionality. allows pass parameters app when launching nfc tag. wp 8 translates parameters passed nfc tag special-purpose url parameter named ms_nfp_launchargs. can detect if app launched or launched nfc tag within onnavigatedto method of app's startup page. (test if navigationeventargs.uri contains "ms_nfp_launchargs")


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