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[SOLVED] How to get Window Handle from the Control ID ?

6 posts in this topic

#1 ·  Posted (edited)

Hello everybody!

Someone could tell me if can I get the handle of a window based on a Control ID ?

It could be this function: ?

HWND WINAPI GetDlgItem(
  __in_opt  HWND hDlg,
  __in      int nIDDlgItem
);
Return value:

If the function succeeds, the return value is the window handle of the specified control.

Thanks in advance.

João Carlos.

Edited by JScript

http://forum.autoitbrasil.com/ (AutoIt v3 Brazil!!!)

Somewhere Out ThereJames Ingram

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Have a look to Yashied's excellent tool:

Br,

UEZ


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#3 ·  Posted (edited)

That does not help at all, I think you misunderstood the question!

Let me explain: I seek an alternative to this function:

GUISwitch

Switches the current window used for GUI functions.

Return Value

Success: Returns the handle of the previously current.

Does not return what it promises, see an example:

$hForm1 = GUICreate("Form1", 640, 480)
GUISetState()

$hForm2 = GUICreate("Form2", 320, 240)
GUISetState()

; Success: Returns the handle of the previously current.
$hGuiSwitch = GUISwitch($hForm2)

MsgBox(4096, "Hwnds", "$hForm1: " & $hForm1 & @CRLF & _
"$hForm2: " & $hForm2 & @CRLF & @CRLF & _
"Not the same handle of the previous window ($hForm1)!" & @CRLF & _
"$hGuiSwitch: " & $hGuiSwitch)

Regards,

João Carlos.

Edited by JScript

http://forum.autoitbrasil.com/ (AutoIt v3 Brazil!!!)

Somewhere Out ThereJames Ingram

somewh10.png

dropbo10.pngDownload Dropbox - Simplify your life!
Your virtual HD wherever you go, anywhere!

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I think what UZE means is:

Don't USE the Control Viewer but have a LOOK AT THE SOURCE CODE because this tools does something similar to what you need. If you point to a control id it gathers all data about the control and the window etc. and displays the results.


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BTW, the GUISwitch command does exactly what it said in the help file, it returns the previously current window handle. Because you created Form2 second, it was the last "current" window, so no matter which window you switch to, Form2 will always be the last window in your script. If you change it to switch to Form1, then switch to Form2, you'll see that the handle returned is from Form1.

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