Ermittelt das erste sichtbare Item in dem Control
#include <GuiTreeView.au3>
_GUICtrlTreeView_GetFirstVisible ( $hWnd )
$hWnd | Control-ID / Handle des Controls |
Erfolg: | Das Handle des ersten sichtbaren Item in dem Control |
Fehler: | 0 |
- - - - - - - - Erklärung der Controls - - - - - - - -
#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <MsgBoxConstants.au3>
#include <WindowsConstants.au3>
Example()
Func Example()
GUICreate("TreeView: Erstes sichtbares Item (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 $idItem
For $x = 0 To 20
$idItem = GUICtrlCreateTreeViewItem(StringFormat("[%02d] Neues Item", $x), $idTreeView)
For $y = 0 To 2
GUICtrlCreateTreeViewItem(StringFormat("[%02d] Neues Item", $y), $idItem)
Next
Next
_GUICtrlTreeView_EndUpdate($idTreeView)
_GUICtrlTreeView_EnsureVisible($idTreeView, $idItem)
Local $hFirst = _GUICtrlTreeView_GetFirstVisible($idTreeView)
MsgBox($MB_SYSTEMMODAL, "Information", "erstes sichtbare Item: " & $hFirst)
_GUICtrlTreeView_SelectItem($idTreeView, $hFirst)
; Die Schleife wiederholt sich, bis der Benutzer die Beenden-Aktion der GUI auslöst.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
GUIDelete()
EndFunc ;==>Example