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Monitor PC activity

Posted on 2004-09-16
Medium Priority
Last Modified: 2010-04-15
I am developing an application that monitor activities on XP/win2k machine. It is a simple application that calculates total idle time and active time and produces a report daily. The machine is considered idle if there's no keyboard or mouse movement.

What's the best way to do the above ? I am trying a method that detects keyboard and mouse activities,  basically capturing windows event such as WM_KEYUP, WM_LBUTTONDBLCLK, etc.. My question is how reliable this method is ? I am using SetWindowsHookEx API call to intercept the windows messages.

Question by:MyQ2004
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LVL 20

Expert Comment

ID: 12082051
Capturing such activities from all applications is always made with hooks. So you went the right way. Now the only thing you need to refine is what events you want to capture. Maybe you will need WM_KEYDOWN, WM_LBUTTONDOWN, WM_RBUTTONDOWN, WM_MOUSEWHEEL because with the events you showed, you will only capture double clicks from the left button, nothing from the right button, nothing from the mouse wheel.
LVL 18

Expert Comment

ID: 12082091
this example may help you for a start

Expert Comment

ID: 12084235
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Author Comment

ID: 12246651
How do I use performance data to check if the user actually used the keyboard or mouse ?
LVL 18

Accepted Solution

armoghan earned 500 total points
ID: 12247508
LVL 18

Expert Comment

ID: 12295394
Glad to help
Thanx for accepting

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