#include "Extras\HelpFileInternals.au3"
#include "Extras\WM_NOTIFY.au3"

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

Global $g_hHeader

Example()

Func Example()
    ; Create GUI
    Local $hGUI = GUICreate("Header Edit/Get Filter (v" & @AutoItVersion & ")", 450, 300, 100, 100)
    $g_hHeader = _GUICtrlHeader_Create($hGUI, $HDS_FILTERBAR)
    _MemoCreate(2, 52, 444, 220)

    GUISetState(@SW_SHOW)

; ANSI Format
;~  _GUICtrlHeader_SetUnicodeFormat($g_hHeader, False)

    ; Add columns
    _GUICtrlHeader_AddItem($g_hHeader, "Column 0", 100)
    _GUICtrlHeader_AddItem($g_hHeader, "Column 1", 100)
    _GUICtrlHeader_AddItem($g_hHeader, "Column 2", 100)
    _GUICtrlHeader_AddItem($g_hHeader, "Column 3", 100)

    ; Set up filters
    _GUICtrlHeader_EditFilter($g_hHeader, 0)
    ControlSend("[ACTIVE]", "", "", "Filter 0{ENTER}")
    _MemoMsgBox($MB_SYSTEMMODAL, "Information", "Filter 0 Changed")

    Local $sFilter = _GUICtrlHeader_GetFilterText($g_hHeader, 0)
    ConsoleWrite('@@ Debug(' & @ScriptLineNumber & ') : $sFilter = ' & $sFilter & @CRLF & '>Error code: ' & @error & '    Extended code: ' & @extended & ' (0x' & Hex(@extended) & ')' & @CRLF) ;### Debug Console

    _GUICtrlHeader_EditFilter($g_hHeader, 1)
    ControlSend("[ACTIVE]", "", "", "Filter 1{ENTER}")
    _MemoMsgBox($MB_SYSTEMMODAL, "Information", "Filter 1 Changed")

    _MemoWrite("Filter Text of Column 1 : " & _GUICtrlHeader_GetFilterText($g_hHeader, 1))

    ; Clear first filter
    _GUICtrlHeader_ClearFilter($g_hHeader, 0)
    _MemoMsgBox($MB_SYSTEMMODAL, "Information", "Filter 0 Cleared")

    ;Register WM_NOTIFY to handle $HDN_FILTERBTNCLICK messages
    _WM_NOTIFY_Register($_g_idLst_Memo)

    _MemoMsgBoxStatus("", -1, $hGUI) ; no more action, wait GUI for closing

EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
    #forceref $hWnd, $iMsg, $wParam
    Local $tNMHDFILTERBTNCLICK

    Local $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
    Local $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
    Local $iCode = DllStructGetData($tNMHDR, "Code")
    Local $iColumn, $sText
    Switch $hWndFrom
        Case $g_hHeader
            Switch $iCode
            Case $HDN_FILTERBTNCLICK ; Notifies the header control's parent window when the filter button is clicked or in response to an $HDM_SETITEM message
                    $tNMHDFILTERBTNCLICK = DllStructCreate($tagNMHDFILTERBTNCLICK, $lParam)
                    $iColumn = DllStructGetData($tNMHDFILTERBTNCLICK, "Item")

                    $sText = " Text = " & _GUICtrlHeader_GetFilterText($g_hHeader, $iColumn)
                    _WM_NOTIFY_DebugEvent("$HDN_FILTERBTNCLICK", $tagNMHDFILTERBTNCLICK, $lParam, "IDFrom,,Item", $sText)

                    ;Return True  ; An $HDN_FILTERCHANGE notification will be sent to the header control's parent window
                    ; This notification gives the parent window an opportunity to synchronize its user interface elements
                    Return False ; If you do not want the notification sent

                Case $HDN_FILTERCHANGE ; Notifies the header control's parent window that the attributes of a header control filter are being changed or edited
                    $tNMHDFILTERBTNCLICK = DllStructCreate($tagNMHDFILTERBTNCLICK, $lParam)
                    $iColumn = DllStructGetData($tNMHDFILTERBTNCLICK, "Item")

                    $sText = " Text = " & _GUICtrlHeader_GetFilterText($g_hHeader, $iColumn)
                    _WM_NOTIFY_DebugEvent("$HDN_FILTERCHANGE", $tagNMHDFILTERBTNCLICK, $lParam, "IDFrom,,Item", $sText)

                    ; no return value
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

#include "Extras\HelpFileInternals.au3"

#include <GuiHeader.au3>

Example()

Func Example()
    Local $sFromTo
    Local $hWin = _MemoRunAU3OutProcess($sFromTo, True)

    Local $hHeader = _MemoCreateOutProcess($hWin, "SysHeader32", 3, $sFromTo)

    _MemoWrite("<<< Start Edit Filter 2" & @CRLF)

    _GUICtrlHeader_EditFilter($hHeader, 2)
    Send("<<< Filter 2")
    Send("{ENTER}")
    _MemoWrite("Filter 2 Changed" & @CRLF)

    _GUICtrlHeader_GetFilterText($hHeader, 2)
    If @error Then _MemoWrite("_GUICtrlHeader_GetFilterText()" & " @error = " & @error & @CRLF & _
            @TAB & "cannot be retrieved by an external process")

    _MemoMsgBoxStatus("", Default, $hWin) ; no more action, wait GUI for closing, close also OutProcess GUI

EndFunc   ;==>Example