How can I mimic user operation while machine is locked

I have created a program in java which will emulate user activity in windows operating system (like clicking left mouse button), but as soon as I lock my system the activity also stops.

开发者_如何学JAVAIs there any way to keep it running.

Let me know if any more details are required....

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If it's browser based activity, try Selenium, which you can use to send mouse clicks, and many other events to a browser. Link to Selenium site

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A good scripting language to automate (emulate) all kinds of windows tasks is AutoIT. It's comes with good documentation & is easy to learn!

Download: http://www.autoitscript.com/autoit3/index.shtml