Cant custumize MUI_PAGE_FINISH...

Hi

Im trying to customize MUI_PAGE_FINISH but without success 😢

I already did it in MUI_PAGE_WELCOME and works fine.

This is a piece of my script:

    ; Setup Finish Page
    Function fin_show
      FindWindow $1 "#32770" "" $HWNDPARENT
          SetCtlColors $1 '0x00FF00' '0xFF0000'
      GetDlgItem $2 $1 1205 ; finish title label handle
          SetCtlColors $2 '0x00FF00' '0xFF0000'
    FunctionEnd
        !define MUI_PAGE_CUSTOMFUNCTION_SHOW wel_show
     !insertmacro MUI_PAGE_WELCOME    ; Welcome page
    !insertmacro MUI_PAGE_INSTFILES  ; Installation page
        !define MUI_PAGE_CUSTOMFUNCTION_SHOW fin_show
    !insertmacro MUI_PAGE_FINISH     ; Finish page
    !insertmacro MUI_LANGUAGE "PortugueseBR"
    !insertmacro MUI_LANGUAGE "English" 

Please somebody help me!!!

You shouldn't use FindWindow to get the window. Use $mui.FinishPage for the window handle in MUI2 and $MUI_HWND in MUI1.