How can I make trail version ?

[Husam]

Hi EveryBody:

How can I make my visual basic net application as trail version, for example
I want to send my application to a company that want to buy my application
but I want to send for them trail version which finished after 15 day,How can
I make that is there any to do that ?

any help will be appreciated

Husam

[Sameh Ahmed]

I guess below is a simple way
the first time the app runs it should take the system time
hash it
store somewhere
each time the app runs it check on the date and compares it to the stored
one
when the difference exceeds 15 days, it should show a message or something

"Husam" <Hu***@discussions.microsoft.com> wrote in message
news:19**********************************@microsof t.com...

Hi EveryBody:

How can I make my visual basic net application as trail version, for example I want to send my application to a company that want to buy my application
but I want to send for them trail version which finished after 15 day,How can I make that is there any to do that ?

any help will be appreciated

Husam