Product key / Licenses key

hello 

i creating software conman business , want secure product key , don't have idea how set

i want when user install software during installation have required product key windows setup

so please give me important guideline , instruction

thank you  

hi muhammad

for product key, per understanding, can define guid data before software started. 

and guid must meet validation rules. each guid unique.

see if these helps

bool isvalid = guid.tryparse(inputstring, out guidoutput)

(http://msdn.microsoft.com/en-us/library/system.guid.parse.aspx)

http://msdn.microsoft.com/en-us/library/system.guid.tryparse.aspx

best regards,

kristin

 

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Visual Studio Languages  ,  .NET Framework  >  Visual C#