Source GUI PNG Autoit

#include <WindowsConstants.au3>
#include <GUIConstantsEx.au3>
#include <GDIPlus.au3>
#include <WinAPI.au3>
Opt("guioneventmode",1)
Global Const $AC_SRC_ALPHA = 1
_GDIPlus_Startup()

$hImage = _GDIPlus_ImageLoadFromFile("h.png")
$width = _GDIPlus_ImageGetWidth($hImage)
$height = _GDIPlus_ImageGetHeight($hImage)
$gui = GUICreate("", $width, $height, -1, -1, $WS_POPUP, $WS_EX_LAYERED, GUICreate("",0,0,50,100))
GUICtrlCreateLabel("",0,0,99999,99999,-1,$GUI_WS_EX_PARENTDRAG)
GUISetOnEvent(-3,"tat")
GUICtrlCreateButton("daddsa",50,50,220,40)
GUISetState(@SW_SHOW)
ShowPic_On_Off(3)  ;; thay đổi giá trị này để tăng hoặc giảm số lần hình ảnh xuất hiện và biến mất...
Sleep(2000)
Exit

While 1
   Sleep(100)
WEnd

func tat()
   Exit
EndFunc

Func SetBitmap($hGUI, $hImage, $iOpacity)
        Local $hScrDC, $hMemDC, $hBitmap, $hOld, $pSize, $tSize, $pSource, $tSource, $pBlend, $tBlend
        $hScrDC = _WinAPI_GetDC(0)
        $hMemDC = _WinAPI_CreateCompatibleDC($hScrDC)
        $hBitmap = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hImage)
        $hOld = _WinAPI_SelectObject($hMemDC, $hBitmap)
        $tSize = DllStructCreate($tagSIZE)
        $pSize = DllStructGetPtr($tSize)
        DllStructSetData($tSize, "X", _GDIPlus_ImageGetWidth($hImage))
        DllStructSetData($tSize, "Y", _GDIPlus_ImageGetHeight($hImage))
        $tSource = DllStructCreate($tagPOINT)
        $pSource = DllStructGetPtr($tSource)
        $tBlend = DllStructCreate($tagBLENDFUNCTION)
        $pBlend = DllStructGetPtr($tBlend)
        DllStructSetData($tBlend, "Alpha", $iOpacity)
        DllStructSetData($tBlend, "Format", $AC_SRC_ALPHA)
        _WinAPI_UpdateLayeredWindow($hGUI, $hScrDC, 0, $pSize, $hMemDC, $pSource, 0, $pBlend, $ULW_ALPHA)
        _WinAPI_ReleaseDC(0, $hScrDC)
        _WinAPI_SelectObject($hMemDC, $hOld)
        _WinAPI_DeleteObject($hBitmap)
        _WinAPI_DeleteDC($hMemDC)
EndFunc

Func ShowPic_On_Off($iNumTimes)
    Do
        For $i=255 to 5 Step -10
            SetBitmap($gui, $hImage, $i)
            Sleep(50)
        Next
        For $i=5 to 255 Step +10
            SetBitmap($gui, $hImage, $i)
            Sleep(50)
        Next
        $iNumTimes -= 1
    Until ($iNumTimes == 0)
EndFunc