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scribbly
PostPosted: October 13th, 2009, 1:30 am 
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Joined: April 24th, 2009, 5:24 pm
Posts: 9
Consider the snippet:

Code:
   Run, %programme_to_run%, , UseErrorLevel, cmd_PID
   WinWait ahk_pid %cmd_PID%,,10
   if not ERRORLEVEL
   {
      WinGet, win_ID, ID, ahk_pid %cmd_PID%
      if !win_ID
         MsgBox, No matching windows
      unique:= winexist(ahk_pid %cmd_PID%)
     WinGet, active, ID, A
   }
   else
      MsgBox, Errow waiting for ahk_pid %cmd_PID%
      
   MsgBox, %win_ID%`n%unique%`n%active%


Why can the three values be different (apart from the window not being active)??

What I thought would be easy was to get the windowID from the ProcessID returned from Run and close it later... but the close fails because the Win_ID is usually not set to the same value as active.

Any ideas?

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ahklerner
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PostPosted: October 13th, 2009, 2:37 am 
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Joined: June 26th, 2006, 6:14 pm
Posts: 1379
Location: USA
to use pid you have to have full path to exe

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scribbly
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PostPosted: October 13th, 2009, 3:20 am 
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ahklerner wrote:
to use pid you have to have full path to exe


Thanks: where do you mean? %programme_to_run% is the full path, and Run returns the correct PID.

WinWait ahk_pid %cmd_PID% finds a window OK

WinGet, win_ID, ID, ahk_pid %cmd_PID% does not return the same ID that WinGet, active, ID, A returns (when the appropriate window is active).

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ahklerner
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PostPosted: October 13th, 2009, 3:43 am 
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perhaps the program you are running is creating multiple windows ? (you may not be able to see all of them) in that case also specify a window title or something like My Window Title ahk_pid %pid% ... iirc somewhere i read that if there are multiple windows that match the wintitle parameter, it returns the info for the topmost.

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scribbly
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PostPosted: October 13th, 2009, 4:01 am 
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Joined: April 24th, 2009, 5:24 pm
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ahklerner wrote:
perhaps the program you are running is creating multiple windows ? (you may not be able to see all of them) in that case also specify a window title or something like My Window Title ahk_pid %pid% ... iirc somewhere i read that if there are multiple windows that match the wintitle parameter, it returns the info for the topmost.


Thanks for the pointer:
Code:
Get, NumberWindows, List, ahk_pid %cmd_PID%


is very revealing! :)

Plus it helps if you turn off DetectHiddenWindows :oops:

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temp01
PostPosted: October 13th, 2009, 3:19 pm 
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Joined: July 9th, 2009, 9:25 pm
Posts: 120
BTW,
scribbly wrote:
Code:
...
      unique:= winexist(ahk_pid %cmd_PID%)
...

should be
Code:
      unique:= winexist("ahk_pid " . cmd_PID)


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scribbly
PostPosted: October 13th, 2009, 10:55 pm 
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Joined: April 24th, 2009, 5:24 pm
Posts: 9
temp01 wrote:
BTW,
scribbly wrote:
Code:
...
      unique:= winexist(ahk_pid %cmd_PID%)
...

should be
Code:
      unique:= winexist("ahk_pid " . cmd_PID)


Yes, of course: thanks.

I presume that WinExists() was returning the top-most, or last opened, window?

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temp01
PostPosted: October 13th, 2009, 11:11 pm 
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Joined: July 9th, 2009, 9:25 pm
Posts: 120
scribbly wrote:
I presume that WinExists() was returning the top-most, or last opened, window?


It was returning the last found found.


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