#include <File.au3>
#include <GuiListBox.au3>
#include <GuiTreeView.au3>

$treeviewid = "[CLASS:SysTreeView32; INSTANCE:3]"
_TCItemColumnSelect($treeviewid)

Func _TCItemColumnSelect($treeviewid)

$EclipseHWND = "MY APPLICATION";

WinActivate($EclipseHWND)
$winhandle = WinWaitActive("[CLASS:SWT_Window0;TITLE:MY APPLICATION]", "", 3)
$hWnd = ControlGetHandle($winhandle, "", $treeviewid)

ControlFocus($winhandle, "", $hWnd)
$hItem = _GUICtrlTreeView_GetParentHandle($hWnd)

ControlFocus($hItem, "", $hWnd)
$hItem = _GUICtrlTreeView_GetFirstItem($hWnd)

_GUICtrlTreeView_GetFocused($hWnd, $hItem)
$hItem = _GUICtrlTreeView_GetText($hWnd)
MsgBox("", "", $hItem)

EndFunc ; _TCItemColumnSelect