how to make a trial version

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2.33/5 (3 votes)

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C#

Dear Friends,

Please let me know which product do you offer for me to make a trial version

Regards

Posted 30-Dec-10 8:56am

albert sh

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[no name] 30-Dec-10 14:56pm

An often asked question. Have you tried searching for anything?

Manfred Rudolf Bihy 30-Dec-10 15:11pm

Are you asking for suggestions or for an offer? If you're asking for an offer this would be the wrong forum.

albert sh 30-Dec-10 15:24pm

The Reason that I ask is to know your experience of the successful ones and the one not to be hacked.

Sergey Alexandrovich Kryukov 27-Feb-13 18:09pm

Please don't post non-answers as "solution". It can give you abuse reports which eventually may lead to cancellation of your CodeProject membership.
Comment on any posts, reply to available comments, or use "Improve question" (above).
Also, keep in mind that members only get notifications on the post sent in reply to there posts.
—SA

3 solutions

Solution 2

I'm not sure what you mean by making a "trial version", but if it is producing a trial version of your own software, what I've done is simply create a Project Configuration called Trial or Demo, in addition to the normal Debug and Release configurations. In the configuration, define a DEMO or TRIAL constant. Then in your code check for the constant and make whatever changes you need to produce the version.

Posted 30-Dec-10 9:58am

Dr.Walt Fair, PE

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Manfred Rudolf Bihy · Accepted Answer · 2010-12-30T09:20:00

Solution 1

There was a question a while back about this and I remember there is an article here on CP doing what you are seeking:

The Application Trial Maker[^]

I hope this will help you!

Regards,
Manfred

Posted 30-Dec-10 9:20am

Manfred Rudolf Bihy

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Sergey Alexandrovich Kryukov 31-Dec-10 12:44pm

Looks like an interesting project. My 5.

Sandeep Mewara · Accepted Answer · 2010-12-30T20:57:00

You are kind of looking for licensing options.

There are different ways to achieve this
1) encrypted license files that contains the expiry dates etc.
2) encrypted license keys held in the registry
3) challenge/response mechanism which require an internet connection
4) probably others.......
Try: License Key Generation[^] or: How can I create a Product Key for my C# App[^] or: c# Licensing[^]

Also,
Cryptography 101 for the .NET Framework[^]
Hope this helps.

how to make a trial version

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