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Please explain GUICtrlCreateDummy , GUICtrlSendToDummy.


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I have no idea what these two functions do..
Please explain.

Sample script direct from the help file:

#include <GUIConstantsEx.au3>

Example()

Func Example()

    GUICreate("GUICtrlCreateDummy", 250, 200, 100, 200)
    GUISetBkColor(0x00E0FFFF) ; will change background color

    Local $idUser = GUICtrlCreateDummy()
    Local $idButton_Event = GUICtrlCreateButton("event", 75, 170, 70, 20)
    Local $idButton_Cancel = GUICtrlCreateButton("Cancel", 150, 170, 70, 20)
    GUISetState(@SW_SHOW)

    Local $idMsg
    ; Loop until the user exits.
    Do
        $idMsg = GUIGetMsg()

        Select
            Case $idMsg = $idButton_Event
                GUICtrlSendToDummy($idUser)
            Case $idMsg = $idButton_Cancel
                GUICtrlSendToDummy($idUser)
            Case $idMsg = $idUser
                ; special action before closing
                ; ...
                Exit
        EndSelect
    Until $idMsg = $GUI_EVENT_CLOSE
EndFunc   ;==>Example

 


What does GUICtrlSendToDummy($idUser) actually do?
 

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The forum's search feature returns the following thread:

 

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2021-06-05 - Version 1.5.4.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (NEW 2021-06-14 - Version 1.6.5.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (NEW 2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (2019-12-03 - Version 1.5.1.0) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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To add to the uses already mentioned, I use it a lot to "mark" the start and end of a block of controls that

I would want to "group" hide, disable, etc together with a simple 3 line For .. Next loop.

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