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CLASS Question

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I am new to scripting and just getting started on an AutoIt tutorial. The tutorial does not mention CLASS, but the examples in the AutoIt help show CLASS as in:

WinActivate("[CLASS:Notepad]", "")

How does CLASS work and how do I get more info on this? I have searched the help files and the internet, but I still don't understand how this works.

One more question, is there a way to search these forums?


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open the Notepad, then run Au3Info.exe (from AutoIT3 installation folder).. drag the reticle over to the Notepad window and watch the data appearing in Au3Info..

Different programs are showing different CLASS, by rule of thumb, usable for you are native windows programs.. by CLASS you can target the "other program's" window (and also controls if need be).. if there are more than one window with the same CLASS you can differ them also by title (for example Untitled - Notepad") or just use the Title itself

QT and NET. applications are more difficult to handle since their control data is either by default not visible (QT) or keeps changing from user to user.. for example, do not bother trying to control VLC player or Calibre e-book manager and so forth..both are QT applications.

Sorry, I can't explain it more clearly..

Edited by shaqan

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An example from the latest beta.

#include <Constants.au3>


Func Example()
    ; Run Notepad

    ; Wait 10 seconds for the Notepad window to appear.
    WinWait("[CLASS:Notepad]", "", 10)

    ; Retrieve the handle of the Notepad window using the classname of Notepad.
    Local $hWnd = WinGetHandle("[CLASS:Notepad]")
    If @error Then
        MsgBox($MB_SYSTEMMODAL, "", "An error occurred when trying to retrieve the window handle of Notepad.")

    ; Display the handle of the Notepad window.
    MsgBox($MB_SYSTEMMODAL, "", $hWnd)

    ; Close the Notepad window using the handle returned by WinGetHandle.
EndFunc   ;==>Example

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Updated: 22/04/2018

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