#include <GUIConstantsEx.au3>
#include <GuiHeader.au3>

$Debug_HDR = False ; Check ClassName being passed to functions, set to True and use a handle to another control to see it work

_Main()

Func _Main()
	Local $hGUI, $hHeader

	; Create GUI
	$hGUI = GUICreate("Header", 400, 300)
	$hHeader = _GUICtrlHeader_Create($hGUI)
	GUISetState()

	; Add columns
	_GUICtrlHeader_AddItem($hHeader, "Column 1", 100)
	_GUICtrlHeader_AddItem($hHeader, "Column 2", 100)
	_GUICtrlHeader_AddItem($hHeader, "Column 3", 100)

	; Insert new column
	_GUICtrlHeader_InsertItem($hHeader, 1, "Column X", 100, 2)

	; Loop until user exits
	Do
	Until GUIGetMsg() = $GUI_EVENT_CLOSE
EndFunc   ;==>_Main
