[Creat0R]

надо, чтобы второе окно появлялось по необходимости при нажатии на кнопку »

Код:

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

$hForm1 = GUICreate('Form1', 300, 200, 100, 100)
$iShowForm2_Bttn = GUICtrlCreateButton('Show Form2', 20, 170, 90, 20)
$aForm1_Elements = _FormElements($hForm1)

$hForm2 = GUICreate('Form2', 300, 200, 450, 100)
$aForm2_Elements = _FormElements($hForm2)

GUISetState(@SW_SHOW, $hForm1)

While 1
    $aMsg = GUIGetMsg(1)

    Switch $aMsg[0]
        Case $GUI_EVENT_CLOSE
            If $aMsg[1] = $hForm1 Then
                Exit
            Else
                ContinueCase ;To trigger next state
            EndIf
        Case $iShowForm2_Bttn
            If GUICtrlRead($iShowForm2_Bttn) = 'Show Form2' Then
                GUICtrlSetData($iShowForm2_Bttn, 'Hide Form2')
                GUISetState(@SW_SHOW, $hForm2)
            Else
                GUICtrlSetData($iShowForm2_Bttn, 'Show Form2')
                GUISetState(@SW_HIDE, $hForm2)
            EndIf
        Case $aForm1_Elements[1] To $aForm1_Elements[$aForm1_Elements[0]]
            MsgBox(64, 'Event', 'Event from element (' & GUICtrlRead($aMsg[0], 1) & ') in form 1', 0, $hForm1)
        Case $aForm2_Elements[1] To $aForm2_Elements[$aForm2_Elements[0]]
            MsgBox(64, 'Event', 'Event from element (' & GUICtrlRead($aMsg[0], 1) & ') in form 2', 0, $hForm2)
    EndSwitch
WEnd

Func _FormElements($hForm)
    GUISwitch($hForm)

    Local $aRet[3] = [2]

    $aRet[1] = GUICtrlCreateButton('Button1', 20, 20, 60, 20)
    $aRet[2] = GUICtrlCreateButton('Button2', 20, 40, 60, 20)

    Return $aRet
EndFunc