Exit Function via buttonclick while in a loop

[goldenix]

Hi I would like to jump out of this _main() function if I press cancel so that it will go back to ;keep program alive loop. Then I can call the _main() function any time again. is something like this possibe at all?

What i dont understand is this: if I make the code, then I put ;keep prog alive loop at the end of it & I can press any button, but if I make make a hotkey to a function with a copy of this keep alive loop, its not working anymore...(I cant press any buttons while its inside of that loop.) I wonder if there isnt something like EXITFUNCTION...?

Someone said this, But How on earth would I do that?

to use a button to start a long running task and allow cancelling it via another button. Essentially, the trick is to structure your program so that instead of having a dummy While loop to keep the program going while GUI Events are fired, you set up your long running task to run inside the While loop but you use a global flag to keep it from running. Something like this would allow you to load a big file but cancel loading (Pseudo-code):

But ok lets say I cant do that with buttons What about Hotkeys? How do I exit this function with a hotkey, without exiting the script & being able to call the main function again anytime?

#include <GUIConstants.au3>
Opt("GUICoordMode",2)
Opt("GUIResizeMode", 1)
Opt("GUIOnEventMode", 1)

$parent1 = GUICreate("Parent1")
$ok1 = GUICtrlCreateButton ("OK",  10, 30, 50)
GUICtrlSetOnEvent(-1, "_main")
$cancel1 = GUICtrlCreateButton ( "Cancel",  0, -1)
GUICtrlSetOnEvent(-1, "_CancelPressed")
GUISetState(@SW_SHOW)

Global $count
Func _main()    
    $count = 1
        While 1
            Sleep(500)
            _OKPressed()
            $count += 1
        Wend
EndFunc

Func _OKPressed()
    ToolTip('OK_func1_' & $count,0,0)
EndFunc

Func _CancelPressed()
    MsgBox(1,'', 'Pressed Cancel')
;~     Exit
EndFunc

;keep program alive loop
While 1
GuiSetState()
Wend

Edited November 30, 2007 by goldenix

[Richard Robertson]

Ah yes, the good old EXITFUNCTION. It's called Return.

[goldenix]

Ah yes, the good old EXITFUNCTION. It's called Return.

Guess its not possible to do the same with buttons, must be autoit bug... see the sample:

expandcollapse popup

#include <GUIConstants.au3>

Opt("GUIOnEventMode", 1)
$Form1 = GUICreate("AForm1", 327, 70, 193, 115)
GUISetOnEvent($GUI_EVENT_CLOSE, "AForm1Close")

$Label1 = GUICtrlCreateLabel('', 152, 16, 20, 17)
$go = GUICtrlCreateButton ( "go",  10, -1)
$cancel = GUICtrlCreateButton ( "Cancel",  50, -1)

GUICtrlSetOnEvent($go, "_main") 
GUICtrlSetOnEvent($cancel, "_CancelPressed") 
GUISetState(@SW_SHOW)

Global  $i

_main() ; Remove this line & this wont work

$i=1
Func _main()
    $exitloop = 0
    While 1
        $i +=1  
        GUICtrlSetData($Label1, $i)
        Sleep(100)
    WEnd
EndFunc

Func _CancelPressed()
    MsgBox(4096,"","cancelled.",1)
EndFunc

Func AForm1Close()
    Exit
EndFunc

While 1
   Sleep(0x7fffffff)
WEndoÝ÷ ÙªÝFÞ®Û(­º¹í©ñq©ÞÆ+_ºw-ðØZ¶W²Ý°k+Êë"
'(h¶G²²Øhø«zZqêÞ¶êçÂ+a{­)Ü"VÞ±©*ÞÌ(®H§Êyú+¶¬ºÈ§-ì¬jëh×6#include <GUIConstants.au3>

HotKeySet("{PAUSE}", "_Hotkey")

Opt("GUIOnEventMode", 1)
$Form1 = GUICreate("AForm1", 327, 70, 193, 115)
GUISetOnEvent($GUI_EVENT_CLOSE, "AForm1Close")

$Label1 = GUICtrlCreateLabel('', 152, 16, 20, 17)
$go = GUICtrlCreateButton ( "go",  10, -1)
$cancel = GUICtrlCreateButton ( "Cancel",  50, -1)

GUICtrlSetOnEvent($go, "_main") 
GUICtrlSetOnEvent($cancel, "_CancelPressed") 
GUISetState(@SW_SHOW)

Global $return, $i
$i=1

Func _main()
    $return = 0
    While 1
        $i +=1  
        GUICtrlSetData($Label1, $i)
        If $return =1 Then Return
        Sleep(100)
    WEnd
EndFunc

Func _Hotkey()
    $return = 1
EndFunc

Func _CancelPressed()
    MsgBox(4096,"","cancelled.")
    Exit
EndFunc

Func AForm1Close()
    Exit
EndFunc

While 1
   Sleep(0x7fffffff)
WEnd