I need to get all the other applications usage time. I can get which window is active now using GetForegroundWindow. But how can I get notified when the window goes inactive. We cant check repeatedly whether the window is active or not. I dont need the ( process start time - current time) which gives how long the process is running. I want how long the window is active.
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Do you use wpf or windows forms? Do you build an application to control the usage time of other applications? Is that right. – Jehof Sep 11 '15 at 09:14
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I am using wpf. yes, my application needs the usage time of other windows. – Unknown Sep 11 '15 at 09:30
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Look into SetWindowsHookEx, and specifically, WH_CBT
Mark Jansen
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Do you have any sample code? I could not able to understand the function properly. – Unknown Sep 11 '15 at 10:49
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