Retrieves the previous child item of a specified item
#include <GuiTreeView.au3>
_GUICtrlTreeView_GetPrevChild ( $hWnd, $hItem )
| $hWnd | Control ID/Handle to the control |
| $hItem | Handle to the item |
| Success: | the handle to the previous child item. |
| Failure: | 0. |
_GUICtrlTreeView_GetFirstChild, _GUICtrlTreeView_GetLastChild, _GUICtrlTreeView_GetNextChild, _GUICtrlTreeView_GetPrev
#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsConstants.au3>
Example()
Func Example()
GUICreate("TreeView Get Prev Child (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 $aidItem[10]
For $x = 0 To 3
$aidItem[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
For $y = 1 To 4
GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Child", $y), $aidItem[$x])
Next
Next
$aidItem[4] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", 4), $idTreeView)
For $x = 5 To 9
$aidItem[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x), $idTreeView)
For $y = 1 To Random(2, 10, 1)
GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Child", $y), $aidItem[$x])
Next
Next
_GUICtrlTreeView_EndUpdate($idTreeView)
Local $hLastChild = _GUICtrlTreeView_GetLastChild($idTreeView, $aidItem[2])
_GUICtrlTreeView_SelectItem($idTreeView, $hLastChild)
MsgBox($MB_SYSTEMMODAL, "Information", "Index 2, Prev Child: " & _GUICtrlTreeView_GetPrevChild($idTreeView, $hLastChild))
_GUICtrlTreeView_SelectItem($idTreeView, _GUICtrlTreeView_GetPrevChild($idTreeView, $hLastChild))
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example