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DigDeep

Disable / Enable GUI Close button

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DigDeep

Hi,

I wanted the $GUI_EVENT_CLOSE button to be enabled only when I am at my Default GUI screen. Is there a way, I can disable the Close button while I am performing some operations.

I was checking a long ago post and tried putting the below line where ever I wanted to disable the close button. This works, but it also disables when I back to the default screen.

GUIRegisterMsg ($WM_NCLBUTTONDOWN, "WM_NCLBUTTONDOWN_FUNC")

Giving a small example

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>

#include <GUIConstants.au3>


$Form1 = GUICreate("Close GUI", 615, 199, 642, 406)
$Label1 = GUICtrlCreateLabel("  Open Lable 2", 232, 24, 74, 17)
$Label2 = GUICtrlCreateLabel("  Label2", 240, 104, 66, 17)
GUICtrlSetState($Label2, $GUI_HIDE)
GUISetState(@SW_SHOW)

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit

        Case $Label1
            GUIRegisterMsg ($WM_NCLBUTTONDOWN, "WM_NCLBUTTONDOWN_FUNC") ; Disabling Close button
            GUICtrlSetState($Label2, $GUI_Show)

        Case $Label2
            GUICtrlSetState($Label2, $GUI_HIDE) ; When $Lable2 is hidden, it means the screen is in default mode. Close button should be enabled now... 
    EndSwitch
WEnd

Func WM_NCLBUTTONDOWN_FUNC($hWnd, $Msg, $WParam, $LParam)
    $nID = BitAnd($wParam, 0x0000FFFF)
    If $nID = 20 Then
        Return 0
    Else
        Return $GUI_RUNDEFMSG
    EndIf
EndFunc

 

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BrewManNH

Try this:

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>

#include <GUIConstants.au3>
$CloseGUI = True

$Form1 = GUICreate("Close GUI", 615, 199, 642, 406)
$Label1 = GUICtrlCreateLabel("  Open Label 2", 232, 24, 74, 17)
$Label2 = GUICtrlCreateLabel("  Label2", 240, 104, 66, 17)
GUICtrlSetState($Label2, $GUI_HIDE)
GUISetState(@SW_SHOW)

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            If $CloseGUI Then Exit

        Case $Label1
            $CloseGUI = False
            GUICtrlSetState($Label2, $GUI_Show)

        Case $Label2
            $CloseGUI = True
            GUICtrlSetState($Label2, $GUI_HIDE) ; When $Lable2 is hidden, it means the screen is in default mode. Close button should be enabled now...
    EndSwitch
WEnd

 

Edited by BrewManNH
Corrected code
  • Like 1

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