Function Reference

_GUICtrlTreeView_GetParentParam

Retrieve the parent control ID/Param of item

#include <GuiTreeView.au3>
_GUICtrlTreeView_GetParentParam ( $hWnd [, $hItem = Null] )

Parameters

$hWnd Control ID/Handle to the control
$hItem [optional] item ID/Param

Return Value

Success: the parent control param.
Failure: 0.

Example

Example 1

#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsStylesConstants.au3>

; Warning do not use _GUICtrlTreeView_SetItemParam() on items created with GUICtrlCreateTreeViewItem
; Param is the controlID for items created with the built-in function

Example_Internal()

Func Example_Internal()
    GUICreate("TreeView Get Parent Param (v" & @AutoItVersion & ")", 400, 300)

    Local $iStyle = BitOR($TVS_EDITLABELS, $TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS, $TVS_CHECKBOXES)
    Local $idTreeView = GUICtrlCreateTreeView(2, 2, 396, 268, $iStyle, $WS_EX_CLIENTEDGE)
    GUISetState(@SW_SHOW)

    ; Set ANSI format
;~     _GUICtrlTreeView_SetUnicodeFormat($idTreeView, False)

    _GUICtrlTreeView_BeginUpdate($idTreeView)
    Local $idTVi_Item, $idTVi_Child, $iYItem = 0, $idFirstItem = 0
    For $x = 0 To 10
        $idTVi_Item = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
        If $idFirstItem = 0 Then $idFirstItem = $idTVi_Item
        $iYItem += 1
        For $y = 0 To 2
            $idTVi_Child = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $iYItem), $idTVi_Item)
            $iYItem += 1
        Next
    Next
    _GUICtrlTreeView_EndUpdate($idTreeView)

    _GUICtrlTreeView_SelectItem($idTreeView, $idTVi_Child)
    MsgBox($MB_SYSTEMMODAL, "Information", "Parent Param/ID: " & _GUICtrlTreeView_GetParentParam($idTreeView, $idTVi_Child) - $idFirstItem) ; same as controlID

    ; Loop until the user exits.
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>Example_Internal

Example 2

#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsStylesConstants.au3>

Example_External()

Func Example_External()
    Local $hGUI = GUICreate("(UDF Created) TreeView Get Parent Param (v" & @AutoItVersion & ")", 400, 300)

    Local $iStyle = BitOR($TVS_EDITLABELS, $TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS, $TVS_CHECKBOXES)
    Local $hTreeView = _GUICtrlTreeView_Create($hGUI, 2, 2, 396, 268, $iStyle, $WS_EX_CLIENTEDGE)
    GUISetState(@SW_SHOW)

    ; Set ANSI format
;~     _GUICtrlTreeView_SetUnicodeFormat($hTreeView, False)

    _GUICtrlTreeView_BeginUpdate($hTreeView)
    Local $hItem, $hChild, $iParam = 0
    For $x = 0 To 10
        $hItem = _GUICtrlTreeView_Add($hTreeView, 0, StringFormat("[%02d] New Item", $x))
        _GUICtrlTreeView_SetItemParam($hTreeView, $hItem, $iParam)
        $iParam += 1
        For $y = 0 To 2
            $hChild = _GUICtrlTreeView_AddChild($hTreeView, $hItem, StringFormat("[%02d] New Item", $iParam))
            _GUICtrlTreeView_SetItemParam($hTreeView, $hChild, $iParam)
            $iParam += 1
        Next
    Next
    _GUICtrlTreeView_EndUpdate($hTreeView)

    _GUICtrlTreeView_SelectItem($hTreeView, $hChild)
    MsgBox($MB_SYSTEMMODAL, "Information", "Parent Param: " & _GUICtrlTreeView_GetParentParam($hTreeView, $hChild))

    ; Loop until the user exits.
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>Example_External