函数参考

_GUICtrlTreeView_GetDropTarget

检索项目是否为拖放目标

#Include <GuiTreeView.au3>
_GUICtrlTreeView_GetDropTarget($hWnd, $hItem)

参数

$hWnd 控件句柄
$hItem 项目句柄

返回值

True: 项目是拖放目标
False: 项目不是拖放目标

注意/说明

None.

相关

_GUICtrlTreeView_SetDropTarget

示例/演示


#include <GUIConstantsEx.au3>
#include <GuiTreeView.au3>
#include <GuiImageList.au3>
#include <WindowsConstants.au3>

$Debug_TV = False ; 检查传递给函数的类名, 设置为True并输出到一个控件的句柄,用于检查它是否工作

_Main()

Func _Main()

    Local $hItem[6], $hRandomItem, $hTreeView
    Local $iStyle = BitOR($TVS_EDITLABELS, $TVS_HASBUTTONS, $TVS_HASLINES, $TVS_LINESATROOT, $TVS_DISABLEDRAGDROP, $TVS_SHOWSELALWAYS, $TVS_CHECKBOXES)

    GUICreate("TreeView Get Drop Target", 400, 300)

    $hTreeView = GUICtrlCreateTreeView(2, 2, 396, 268, $iStyle, $WS_EX_CLIENTEDGE)
    GUISetState()

    _GUICtrlTreeView_BeginUpdate($hTreeView)
    For $x = 0 To UBound($hItem) - 1
        $hItem[$x] = GUICtrlCreateTreeViewItem(StringFormat("[%02d] New Item", $x + 1), $hTreeView)
    Next
    _GUICtrlTreeView_EndUpdate($hTreeView)

    $hRandomItem = Random(0, UBound($hItem) - 1, 1)
    MsgBox(4160, "信息", StringFormat("Item %d Drop Target? %s", $hRandomItem, _GUICtrlTreeView_GetDropTarget($hTreeView, $hItem[$hRandomItem])))
    _GUICtrlTreeView_SetDropTarget($hTreeView, $hItem[$hRandomItem])
    MsgBox(4160, "信息", StringFormat("Item %d Drop Target? %s", $hRandomItem, _GUICtrlTreeView_GetDropTarget($hTreeView, $hItem[$hRandomItem])))

    ; 循环直到用户退出
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>_Main