如何制作我所拥有的软件的试用版(带有加密密码)?它将在15天后自动卸载. [英] how to make the trial version(with encrypted password) of the software that i am having? and it will be automatically uninstall after 15 days.

问题描述

任何人都可以告诉我，我的意思是帮助我如何制作我所拥有的软件的试用版(带有加密密码)?它将在15天后自动卸载.

我已经在vb.net中创建了该项目.

预先感谢您的合作...
samsul
邮件已删除-losmac [/EDIT]

can any one tell me, i mean help me how to make the trial version(with encrypted password) of the software that i am having? and it will be automatically uninstall after 15 days.

i have made the project in vb.net.

Thanks in advance for your co-operation...
samsul
Mail removed - losmac[/EDIT]

推荐答案

这是不可能的；)

您可以创建具有密码和时间限制的安装程序，但不能自动卸载软件，原因是:
1)没有人喜欢间谍软件(您需要安装软件，该软件应从Windows OS开始并在内存中等待)，
2)用户可以在不同的时间段(而不是每天)中使用您的软件.

搜索"Articles"的数据库，以查找如何使用密码选项构建安装程序.

It''s impossible ;)

You can create installer with password and time limitation, but you can''t automaticly uninstall your software, because:
1) no one likes spy-software (you need to install software, which should start with windows OS and waiting in memory),
2) user can use your software in different period of time, not daily.

Search database of "Articles" to find how to build installer with password option.

无法卸载，如Iosmac所说，但是您可以使试用版不可用.
通过日历功能或通过Web方法.

在启动应用程序时，需要检查文件以查看特定密码.
如果15天后仍没有密码，则它将停止该应用程序.

另外，在启动时，它会检查回基础数据库，即您的授权版本数据库，并将被给予"Go Ahead"调用.

这对于收取年费也很有用.

Uninstall, as Iosmac says, is not possible, but you can render the trial version unusable.
Either through a calendar function, or by a web method.

On start-up of the application it would need to check a file to see a certain password.
If, after 15 days, the password is not there, then it stops the app.

Alternatively, on start-up it checks back to base, ie your database of authorised versions, and will be given a ''Go Ahead'' call.

This is useful for doing annual fees to use too.

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