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twikkistep

Getting out of Do Loop - GUIGetMsg()

8 posts in this topic

Hi there,

Don't exactly know how I can explain this in clear words, so I'll just try: I would like to get out of a do loop while being in an if statement - check the GUI_Stop line in italic ... The browser window in my form is running the "DoSomething" statement, but I want to have it stop doing that when I click the stop button ... any ideas?

Thanks in advance!

-- TS

CODE
Do

$msg = GUIGetMsg()

if $msg = $GUI_Location Then

if $msg = $GUI_Stop Then

ExitLoop

Endif

DoSomething

Endif

if $msg = $GUI_Location Then

ExitLoop

Endif

Until $msg = $GUI_EVENT_CLOSE

GUIDelete()

Exit

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Do
   $msg = GUIGetMsg()
   ;Whatever else
Until $msg = $STOP_BUTTON


[center]Common sense plays a role in the basics of understanding AutoIt... If you're lacking in that, do us all a favor, and step away from the computer.[/center]

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Do
   $msg = GUIGetMsg()
   ;Whatever else
Until $msg = $STOP_BUTTON
Hi,

Sorry, but this doesn't make sense to me right now ... my example shows the until part as well, at the bottom of the code - but I want to escape the first loop ... any ideas on that?

-- TS

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Hi,

Sorry, but this doesn't make sense to me right now ... my example shows the until part as well, at the bottom of the code - but I want to escape the first loop ... any ideas on that?

-- TS

Then your example doesn't make any sense at all. You're only showing one loop, so escaping the first loop escapes the only loop.

Why don't you make a complete working example, and you'd probably get the answer you want so we don't have to chase our tails after you to get the answers we need to answer your question how only you know how you want it answered.


[center]Common sense plays a role in the basics of understanding AutoIt... If you're lacking in that, do us all a favor, and step away from the computer.[/center]

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I agree - my example was not clear. Hereby a new one, I hope this one helps you understand my problem. It's the first time I try to work with a gui, so I'm tryiong to figure out how to break those loops within a function.

CODE
#include <IE.au3>

#include <GUIConstants.au3>

_IEErrorHandlerRegister ()

$oIE = _IECreateEmbedded ()

GUICreate("Tester", 700, 500, -1, -1, $WS_OVERLAPPEDWINDOW + $WS_VISIBLE + $WS_CLIPSIBLINGS)

$GUIActiveX = GUICtrlCreateObj($oIE, 10, 40, 680, 450)

$GUI_Location = GUICtrlCreateInput("", 10, 10, 440, 20)

$GUI_Button_Source = GUICtrlCreateButton("Source", 460, 10, 50, 20)

$GUI_Button_Back = GUICtrlCreateButton("Back", 520, 10, 50, 20)

$GUI_Button_Stop = GUICtrlCreateButton("Stop", 580, 10, 50, 20)

$GUI_Button_Save = GUICtrlCreateButton("Save", 640, 10, 50, 20)

GUISetState() ;Show GUI

$starturl = "www.yahoo.com"

_IENavigate ($oIE, $starturl)

While 1

$msg = GUIGetMsg()

Select

Case $msg = $GUI_Button_Source

MsgBox(0, "GUI Event", "You pressed Source!")

_ClickMySource()

Case $msg = $GUI_Button_Back

MsgBox(0, "GUI Event", "You pressed Back!")

Case $msg = $GUI_Button_Stop

MsgBox(0, "GUI Event", "You pressed Stop!")

Case $msg = $GUI_Button_Save

MsgBox(0, "GUI Event", "You pressed Save!")

Case $msg = $GUI_EVENT_CLOSE

MsgBox(0, "GUI Event", "You clicked CLOSE! Exiting...")

ExitLoop

EndSelect

WEnd

Func _ClickMySource()

While 1

Sleep(1000)

;how can I leave this loop when I click the any of the buttons?

WEnd

EndFunc

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Anyone?

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The way that you have that setup, you can't. I'm having troubles with this myself at the moment.

I tried something like this (to take advantage of your example):

Opt('GUIOnEventMode', 1)
Global $continueLooping = true

... GUI Construction, etc...

Func _ClickMySource()
  While $continueLooping
    Sleep(1000)
   ;how can I leave this loop when I click the any of the buttons?
  WEnd
EndFunc

Func _Stop()
  $continueLooping = false
EndFunc

Then I tried calling the _Stop() function via a button using GUICtrlSetOnEvent, because I thought it might intercept it that way, but it doesn't. Once that function is looping inside itself, the rest of your script will not continue until it stops. The only workaround I have found is that if you actually set a HotKey to the _Stop() function, it will intercept and set the $continueLooping to false.

So basically, you'll either have to use a HotKey, or you're going to have to do some rewriting of your script to accommodate for what you're trying to do. Have fun!

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I don't know if it is a bug or not but in EventMode, the events die when a second loop is started.

You can use some thing like this. It escapes the loop and triggers the button event.

#include <IE.au3>
#include <GUIConstants.au3>
_IEErrorHandlerRegister()
$oIE = _IECreateEmbedded()
GUICreate("Tester", 700, 500, -1, -1, $WS_OVERLAPPEDWINDOW + $WS_VISIBLE + $WS_CLIPSIBLINGS)
$GUIActiveX = GUICtrlCreateObj($oIE, 10, 40, 680, 450)
$GUI_Location = GUICtrlCreateInput("", 10, 10, 440, 20)
$GUI_Button_Source = GUICtrlCreateButton("Source", 460, 10, 50, 20)
$GUI_Button_Back = GUICtrlCreateButton("Back", 520, 10, 50, 20)
$GUI_Button_Stop = GUICtrlCreateButton("Stop", 580, 10, 50, 20)
$GUI_Button_Save = GUICtrlCreateButton("Save", 640, 10, 50, 20)
GUISetState() ;Show GUI
$starturl = "www.yahoo.com"
_IENavigate($oIE, $starturl)
$bQUIT = False
$SecondaryEvent =0;
While 1
    $msg = GUIGetMsg()
    Select
        Case $msg = $GUI_Button_Source 
            MsgBox(0, "GUI Event", "You pressed Source!")
            _ClickMySource()
        Case $msg = $GUI_Button_Back or $SecondaryEvent= $GUI_Button_Back
            MsgBox(0, "GUI Event", "You pressed Back!")
            $SecondaryEvent =0            
        Case $msg = $GUI_Button_Stop or $SecondaryEvent= $GUI_Button_Stop
            MsgBox(0, "GUI Event", "You pressed Stop!")
            $SecondaryEvent =0            
        Case $msg = $GUI_Button_Save or $SecondaryEvent= $GUI_Button_Save
            MsgBox(0, "GUI Event", "You pressed Save!")
            $SecondaryEvent =0            
        Case $msg = $GUI_EVENT_CLOSE or $SecondaryEvent= $GUI_EVENT_CLOSE
            MsgBox(0, "GUI Event", "You clicked CLOSE! Exiting...")
            ExitLoop
    EndSelect
WEnd
Func _ClickMySource()
    MsgBox(0,"Message","Entered loop")
    While 1
    $SecondaryEvent = GUIGetMsg()
        Select 
        Case $SecondaryEvent= $GUI_Button_Back
            ExitLoop
        Case $SecondaryEvent= $GUI_Button_Stop
            ExitLoop
        Case $SecondaryEvent= $GUI_Button_Save
            ExitLoop
        Case $SecondaryEvent= $GUI_EVENT_CLOSE
            ExitLoop
    EndSelect
    Sleep(10)
        ;how can I leave this loop when I click the any of the buttons?
    WEnd
    MsgBox(0,"Message","Leaving loop")
    
EndFunc   ;==>_ClickMySource

Regards,

eltorro

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