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scila1996

Error Suspend Process When Using GUIRegisterMsg & Loop

6 posts in this topic

$hGUI = GUICreate("", 482, 254, 192, 124)
$iButton = GUICtrlCreateButton("", 32, 40, 417, 57)
GUISetState(@SW_SHOW)

GUIRegisterMsg(0x0111, "TEST")

Func TEST($hWnd, $iMsg, $lParam)
    If ($lParam = $iButton) Then
        While 1
            If ProcessExists("7z.exe") Then Exit
        WEnd
    EndIf
EndFunc

Do
Until GUIGetMsg() = -3

 

When I Click the button then GUI is Suspend and not Responding Windows ! Please help me fix this error ! Thank You !

 

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#3 ·  Posted (edited)

1) J1 is right : the control identifier is the 4th parameter, not the 3rd.
2) If $lParam = $iButton can never be True because $lParam is a control handle, not an ID.
3) you must absolutely avoid the use of blocking functions or loops in this kind of function (use by GUIRegisterMsg) : see the warning in the help page of this function.

Here is a way :

$hGUI = GUICreate("", 482, 254, 192, 124)
$iButton = GUICtrlCreateButton("", 32, 40, 417, 57)

$pressed = 0
$hButton = GUICtrlGetHandle(-1)

GUISetState(@SW_SHOW)

GUIRegisterMsg(0x0111, "TEST")

Do
    If $pressed Then
        If ProcessExists("7z.exe") Then Exit
    EndIf
Until GUIGetMsg() = -3



Func TEST($hWnd, $iMsg, $wParam, $lParam)
    If ($lParam = $hButton) Then $pressed = 1
EndFunc

 

Edited by jguinch

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Thank you for hep me ! 

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In case you're wondering -3 is $GUI_EVENT_CLOSE. I was and had to look it up in the help file.


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Updated: 04/09/2015

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In case you're wondering -3 is $GUI_EVENT_CLOSE. I was and had to look it up in the help file.

:D

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