Sets the Unicode character format flag for the control
#include <GuiHeader.au3>
_GUICtrlHeader_SetUnicodeFormat ( $hWnd, $bUnicode )
| $hWnd | Handle to the control | 
| $bUnicode | Unicode flag: True - Control uses Unicode characters False - Control uses ANSI characters  | 
_GUICtrlHeader_GetUnicodeFormat
#include "Extras\HelpFileInternals.au3"
#include <GUIConstantsEx.au3>
#include <GuiHeader.au3>
Example()
Func Example()
    ; Create GUI
    Local $hGUI = GUICreate("Header Get/Set UnicodeFormat (v" & @AutoItVersion & ")", 450, 300, 100, 100)
    Local $hHeader = _GUICtrlHeader_Create($hGUI)
    _MemoCreate(2, 52, 444, 220)
    GUISetState(@SW_SHOW)
    ; Add columns
    _GUICtrlHeader_AddItem($hHeader, "Column 0", 100)
    _GUICtrlHeader_AddItem($hHeader, "Column 1", 100)
    _GUICtrlHeader_AddItem($hHeader, "Column 2", 100)
    _GUICtrlHeader_AddItem($hHeader, "Column 3", 100)
    ; Show Unicode format
    _MemoWrite("Using Unicode characters: " & _GUICtrlHeader_GetUnicodeFormat($hHeader))
    ; Set ANSI format
    _GUICtrlHeader_SetUnicodeFormat($hHeader, False)
    ; Show ANSI format
    _MemoWrite("Using Unicode characters: " & _GUICtrlHeader_GetUnicodeFormat($hHeader))
    _MemoMsgBoxStatus("", -1, $hGUI) ; no more action, wait GUI for closing
EndFunc   ;==>Example