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gui help

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i can run the gui only without any problems, the problems start when i add something like a button or tab. If you add the code to it and execute the au3 file, then you can only see the gui without button for example. how can i solve this, thx

#include <A3LGDIPlus.au3> ; this is where the magic happens, people
#include <GUIConstants.au3>
Opt("MustDeclareVars", 0)

Global Const $AC_SRC_ALPHA      = 1
Global Const $ULW_ALPHA         = 2
Global $old_string = "", $runthis = ""
Global $launchDir = @DesktopDir

; Load PNG file as GDI bitmap
$pngSrc = @scriptdir & "\LaunchySkin.png"
$hImage = _GDIP_ImageLoadFromFile($pngSrc)

; Extract image width and height from PNG
$width =  _GDIP_ImageGetWidth ($hImage)
$height = _GDIP_ImageGetHeight($hImage)

; Create layered window
$GUI = GUICreate("Alpha Clock", $width, $height, -1, -1, $WS_POPUP, $WS_EX_LAYERED)
GUICtrlCreateButton ("Run Notepad",  0, 30, 100)
SetBitMap($GUI, $hImage, 0)
; Register notification messages

;fade in png background
for $i = 0 to 255 step 10
    SetBitMap($GUI, $hImage, $i)

While 1
    $msg = GUIGetMsg()
        Case $msg = $GUI_EVENT_CLOSE


; Release resources

; ===============================================================================================================================
; Handle the WM_NCHITTEST for the layered window so it can be dragged by clicking anywhere on the image.
; ===============================================================================================================================
Func WM_NCHITTEST($hWnd, $iMsg, $iwParam, $ilParam)
  if ($hWnd = $GUI) and ($iMsg = $WM_NCHITTEST) then Return $HTCAPTION

; ===============================================================================================================================
; SetBitMap
; ===============================================================================================================================
Func SetBitmap($hGUI, $hImage, $iOpacity)
  Local $hScrDC, $hMemDC, $hBitmap, $hOld, $pSize, $tSize, $pSource, $tSource, $pBlend, $tBlend

  $hScrDC  = _API_GetDC(0)
  $hMemDC  = _API_CreateCompatibleDC($hScrDC)
  $hBitmap = _GDIP_BitmapCreateHBITMAPFromBitmap($hImage)
  $hOld    = _API_SelectObject($hMemDC, $hBitmap)
  $tSize   = DllStructCreate($tagSIZE)
  $pSize   = DllStructGetPtr($tSize  )
  DllStructSetData($tSize, "X", _GDIP_ImageGetWidth ($hImage))
  DllStructSetData($tSize, "Y", _GDIP_ImageGetHeight($hImage))
  $tSource = DllStructCreate($tagPOINT)
  $pSource = DllStructGetPtr($tSource)
  $tBlend  = DllStructCreate($tagBLENDFUNCTION)
  $pBlend  = DllStructGetPtr($tBlend)
  DllStructSetData($tBlend, "Alpha" , $iOpacity    )
  DllStructSetData($tBlend, "Format", $AC_SRC_ALPHA)
  _API_UpdateLayeredWindow($hGUI, $hScrDC, 0, $pSize, $hMemDC, $pSource, 0, $pBlend, $ULW_ALPHA)
  _API_ReleaseDC   (0, $hScrDC)
  _API_SelectObject($hMemDC, $hOld)
  _API_DeleteDC    ($hMemDC)

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