Retrieves information about the active window or a specified GUI thread.
#Include <WinAPIEx.au3>
_WinAPI_GetGUIThreadInfo ( $iThreadID )
| $iThreadID | The identifier for the thread for which information is to be retrieved. | 
| Success | The array that contains the following information: | 
| ] | The thread state. It can be one or more of the $GUI_* values. | 
| ] | A handle to the active window within the thread. | 
| ] | A handle to the window that has the keyboard focus. | 
| ] | A handle to the window that has captured the mouse. | 
| ] | A handle to the window that owns any active menus. | 
| ] | A handle to the window in a move or size loop. | 
| ] | A handle to the window that is displaying the caret. | 
| ] | The x-coordinate of the upper-left corner of the caret's bounding rectangle, in client coordinates. | 
| ] | The y-coordinate of the upper-left corner of the caret's bounding rectangle, in client coordinates. | 
| ] | The width of the caret's bounding rectangle. | 
| [10] | The height of the caret's bounding rectangle. | 
| 失败: | 返回 0 并设置 @error 标志为非 0 值. | 
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#Include <APIConstants.au3>
#Include <WinAPIEx.au3>
Opt('MustDeclareVars', 1)
Global $hForm, $hWnd, $Info, $Input[11], $PID
$hForm = GUICreate('', 240, 268, 10, 10, BitOR($WS_CAPTION, $WS_POPUP), $WS_EX_TOPMOST)
GUICtrlCreateLabel('Thread state:', 20, 18, 90, 14)
GUICtrlCreateLabel('Active window:', 20, 40, 90, 14)
GUICtrlCreateLabel('Keyboard focus:', 20, 62, 90, 14)
GUICtrlCreateLabel('Mouse capture:', 20, 84, 90, 14)
GUICtrlCreateLabel('Active menu:', 20, 106, 90, 14)
GUICtrlCreateLabel('Move or size loop:', 20, 128, 90, 14)
GUICtrlCreateLabel('Caret:', 20, 150, 90, 14)
GUICtrlCreateLabel('Left:', 20, 172, 90, 14)
GUICtrlCreateLabel('Top:', 20, 194, 90, 14)
GUICtrlCreateLabel('Width:', 20, 216, 90, 14)
GUICtrlCreateLabel('Height:', 20, 238, 90, 14)
For $i = 0 To 10
    $Input[$i] = GUICtrlCreateLabel('', 114, 18 + 22 * $i, 116, 14)
Next
GUISetState(@SW_SHOWNOACTIVATE)
Do
    $hWnd = WinGetHandle('[ACTIVE]')
    $Info = _WinAPI_GetGUIThreadInfo(_WinAPI_GetWindowThreadProcessId($hWnd, $PID))
    If Not @error Then
        WinSetTitle($hForm, '', WinGetTitle($hWnd))
        $Info[0] = '0x' & Hex($Info[0], 8)
    Else
        WinSetTitle($hForm, '', '')
        Dim $Info[11]
        For $i = 0 To 10
            $Info[$i] = ''
        Next
        $hWnd = 0
    EndIf
    For $i = 0 To 10
        If StringCompare(GUICtrlRead($Input[$i]), $Info[$i]) Then
            GUICtrlSetData($Input[$i], $Info[$i])
        EndIf
    Next
Until GUIGetMsg() = -3