函数参考


GUICtrlCreateTreeViewItem

在GUI上创建一个 TreeViewItem 控件.

GUICtrlCreateTreeViewItem ( "文本", 列表视图ID )

参数

文本 控件显示的文本.
treeviewID treeview 标识符,可由 treeview 或 treeviewitem 创建函数的返回值获得.

返回值

成功: 返回新控件的控件标识符(控件ID).
失败: 返回 0.

注意/说明

要设置更多信息请参考 GUICtrlUpdate... 函数.

要使 treeview 项目显示为粗体 (用于显示为默认值) 使用 GuiCtrlSetState($treeviewItem, $GUI_DEFBUTTON),
要关闭这个特性,使用 GUICtrlSetState() 设置除开 $GUI_DEFBUTTON 的其他值, 如 GuiCtrlSetState($treeviewItem, 0).

要展开一个 treeview 项目使用 GuiCtrlSetState($treeviewItem, $GUI_EXPAND).

要选择一个指定的 treeview 项目使用 GuiCtrlSetState($treeviewItem, $GUI_FOCUS).

相关

GUICtrlCreateTreeView, GUICtrlUpdate..., GUIGetMsg, GUICtrlRead, GUICtrlGetHandle

示例/演示


#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <TreeViewConstants.au3>
#include <StaticConstants.au3>

Example()

Func Example()
    Local $treeview, $generalitem, $displayitem, $aboutitem, $compitem
    Local $startlabel, $aboutlabel
    Local $compinfo, $togglebutton, $infobutton, $statebutton, $cancelbutton
    Local $msg, $item, $text, $hItem

    GUICreate("My GUI with treeview", 350, 215)

    $treeview = GUICtrlCreateTreeView(6, 6, 100, 150, BitOR($TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS), $WS_EX_CLIENTEDGE)
    $generalitem = GUICtrlCreateTreeViewItem("General", $treeview)
    GUICtrlSetColor(-1, 0x0000C0)
    $displayitem = GUICtrlCreateTreeViewItem("Display", $treeview)
    GUICtrlSetColor(-1, 0x0000C0)
    $aboutitem = GUICtrlCreateTreeViewItem("About", $generalitem)
    $compitem = GUICtrlCreateTreeViewItem("Computer", $generalitem)
    GUICtrlCreateTreeViewItem("User", $generalitem)
    GUICtrlCreateTreeViewItem("Resolution", $displayitem)
    GUICtrlCreateTreeViewItem("Other", $displayitem)

    $startlabel = GUICtrlCreateLabel("TreeView Demo", 190, 90, 100, 20)
    $aboutlabel = GUICtrlCreateLabel("This little scripts demonstates the using of a treeview-control.", 190, 70, 100, 60)
    GUICtrlSetState(-1, $GUI_HIDE) ; Hides the "aboutlabel"-text during initialization
    $compinfo = GUICtrlCreateLabel("Name:" & @TAB & @ComputerName & @LF & "OS:" & @TAB & @OSVersion & @LF & "SP:" & @TAB & @OSServicePack, 120, 30, 200, 80)
    GUICtrlSetState(-1, $GUI_HIDE) ; Hides the "compinfo"-text during initialization

    GUICtrlCreateLabel("", 0, 170, 350, 2, $SS_SUNKEN)
    $togglebutton = GUICtrlCreateButton("&Toggle", 35, 185, 70, 20)
    $infobutton = GUICtrlCreateButton("&Info", 105, 185, 70, 20)
    $statebutton = GUICtrlCreateButton("Col./Exp.", 175, 185, 70, 20)
    $cancelbutton = GUICtrlCreateButton("&Cancel", 245, 185, 70, 20)

    GUICtrlSetState($generalitem, BitOR($GUI_EXPAND, $GUI_DEFBUTTON)) ; Expand the "General"-item and paint in bold
    GUICtrlSetState($displayitem, BitOR($GUI_EXPAND, $GUI_DEFBUTTON)) ; Expand the "Display"-item and paint in bold

    GUISetState()
    While 1
        $msg = GUIGetMsg()
        Select
            Case $msg = $cancelbutton Or $msg = $GUI_EVENT_CLOSE
                ExitLoop

            Case $msg = $togglebutton ; Toggle the bold painting
                If BitAND(GUICtrlRead($generalitem), $GUI_DEFBUTTON) Then
                    GUICtrlSetState($generalitem, 0)
                    GUICtrlSetState($displayitem, 0)
                Else
                    GUICtrlSetState($generalitem, $GUI_DEFBUTTON)
                    GUICtrlSetState($displayitem, $GUI_DEFBUTTON)
                EndIf

            Case $msg = $infobutton
                $item = GUICtrlRead($treeview) ; Get the controlID of the current selected treeview item
                If $item = 0 Then
                    MsgBox(4160, "TreeView Demo", "No item currently selected")
                Else
                    $text = GUICtrlRead($item, 1) ; Get the text of the treeview item
                    If $text == "" Then
                        MsgBox(16, "错误", "Error while retrieving infos about item")
                    Else
                        MsgBox(4160, "TreeView Demo", "Current item selected is: " & $text)
                    EndIf
                EndIf

            Case $msg = $statebutton
                $item = GUICtrlRead($treeview)
                If $item > 0 Then
                    $hItem = GUICtrlGetHandle($item)
                    DllCall("user32.dll", "int", "SendMessage", "hwnd", GUICtrlGetHandle($treeview), "int", $TVM_EXPAND, "int", $TVE_TOGGLE, "hwnd", $hItem)
                EndIf

                ; The following items will hide the other labels (1st and 2nd parameter) and then show the 'own' labels (3rd and 4th parameter)
            Case $msg = $generalitem
                GUIChangeItems($aboutlabel, $compinfo, $startlabel, $startlabel)

            Case $msg = $aboutitem
                GUICtrlSetState($compinfo, $GUI_HIDE)
                GUIChangeItems($startlabel, $startlabel, $aboutlabel, $aboutlabel)

            Case $msg = $compitem
                GUIChangeItems($startlabel, $aboutlabel, $compinfo, $compinfo)
        EndSelect
    WEnd

    GUIDelete()
EndFunc   ;==>Example

Func GUIChangeItems($hidestart, $hideend, $showstart, $showend)
    Local $idx

    For $idx = $hidestart To $hideend
        GUICtrlSetState($idx, $GUI_HIDE)
    Next
    For $idx = $showstart To $showend
        GUICtrlSetState($idx, $GUI_SHOW)
    Next
EndFunc   ;==>GUIChangeItems