Retrieves the number of children of an parent item
#include <GuiTreeView.au3>
_GUICtrlTreeView_GetChildCount ( $hWnd, $hItem )
| $hWnd | Control ID/Handle to the control |
| $hItem | Handle to item |
| Success: | the number of childrens. |
| Failure: | -1 if 0 children were found. |
_GUICtrlTreeView_GetCount, _GUICtrlTreeView_GetSiblingCount
#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsStylesConstants.au3>
Example()
Func Example()
GUICreate("TreeView Get Child Count (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, $WS_EX_CLIENTEDGE)
GUISetState(@SW_SHOW)
; Set ANSI format
;~ _GUICtrlListView_SetUnicodeFormat($idListview, False)
_GUICtrlTreeView_BeginUpdate($idTreeView)
Local $aidTVi_Item[10]
For $x = 0 To 6
$aidTVi_Item[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
For $y = 0 To 3
GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $y), $aidTVi_Item[$x])
Next
Next
_GUICtrlTreeView_EndUpdate($idTreeView)
Local $iRand = 3
MsgBox($MB_SYSTEMMODAL, "Information", StringFormat("Child Count for item index %d: %d", $iRand, _GUICtrlTreeView_GetChildCount($idTreeView, $aidTVi_Item[$iRand])))
_GUICtrlTreeView_Expand($idTreeView, $aidTVi_Item[$iRand])
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example