Function Reference


_GUICtrlTreeView_ExpandedOnce

Indicates if the item's list of child items has been expanded at least once

#include <GuiTreeView.au3>
_GUICtrlTreeView_ExpandedOnce ( $hWnd, $hItem )

Parameters

$hWnd Control ID/Handle to the control
$hItem Handle to the item

Return Value

True: item has been expanded at least once.
False: item has not been expanded at least once.

Related

_GUICtrlTreeView_Expand

Example

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

Example()

Func Example()
    GUICreate("TreeView Expanded Once (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)

    _GUICtrlTreeView_BeginUpdate($idTreeView)
    Local $aidTVi_Item[5]
    For $x = 0 To 4
        $aidTVi_Item[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
        For $y = 0 To 2
            GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $y), $aidTVi_Item[$x])
        Next
    Next
    _GUICtrlTreeView_EndUpdate($idTreeView)

    MsgBox($MB_SYSTEMMODAL, "Information", "Expand item 0")
    _GUICtrlTreeView_Expand($idTreeView, $aidTVi_Item[0])

    MsgBox($MB_SYSTEMMODAL, "Information", "Collapse item 0")
    _GUICtrlTreeView_Expand($idTreeView, $aidTVi_Item[0], False)

    MsgBox($MB_SYSTEMMODAL, "Information", "Item 0 expanded at least once? " & _GUICtrlTreeView_ExpandedOnce($idTreeView, $aidTVi_Item[0]))
    MsgBox($MB_SYSTEMMODAL, "Information", "Item 1 expanded at least once? " & _GUICtrlTreeView_ExpandedOnce($idTreeView, $aidTVi_Item[1]))

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