How to get the start time of the window with hwnd of that window.

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Hello Coders,

In my program I need to get the start time of the application window.I want this from HWND handle to that window.

Thank You in anticipation.

What I have tried:

I tried this from HANDLE to the process got from that window, using

hProcess = OpenProcess(PROCESS_ALL_ACCESS | lpdwProcessId);

(where DWORD lpdwProcessID; is from GetWindowThreadProcessId(hwnd, &lpdwProcessId);)

But it gives same Start Time for the same kind of applications(example:- folders, multiple image windows on Windows Photo Viewer),as they have same processID(I am writing this on my true observation).

Posted 13-Feb-16 1:46am

Suryakant Turing

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Richard MacCutchan 13-Feb-16 8:26am

What code are you using to get the time value?

Suryakant Turing 14-Feb-16 13:24pm

functions I used are
GetProcessTimes();
FileTimeToSystemTime();
SystemTimeToTzSpecificLocalTime();

parameters accordingly.

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Dave Kreskowiak · Answer 1 · 2016-02-13T04:32:00

Solution 1

You can get the start time of a process. There is no such data attached to a window. The "start time" of a window doesn't exist and is not tracked by Windows.

Posted 13-Feb-16 4:32am

Dave Kreskowiak

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Suryakant Turing 14-Feb-16 13:30pm

OK Dave. But can u suggest me a way, how can I retrieve the start time of multiple "Folders"(I mean the folders with Yellow file icon) opened.

Dave Kreskowiak 14-Feb-16 14:39pm

No, again, no such data exists. Windows does not track the start time of anything other that processes.

The only way you're ever going to get anything close to that is if you had a process running continuously that watched for all the Shell windows and saw it get created. You get the time when that happens and you've got your data. It is in no way attached to the window itself.

The COM object that gets you to this collection is Shell.Windows method (Windows)[^]. Keep in mind that Explorer windows are really Internet Explorer with the URL being a folderpath. Using this, you will not only get all the Explorer windows but also any internet Explorer window the user has open too.