更改指定控件的样式.
GUICtrlSetStyle ( 控件ID, 样式 [, 扩展样式] ) 
| 控件ID | 控件标识符(控件ID),可由 GUICtrlCreate... 函数的返回值获得. | 
| 样式 | 指定控件的样式.请查看附录中关于 GUI 控件样式 的说明. | 
| 扩展样式 | [可选参数] 指定控件的扩展样式.请查看附录的 扩展样式表. | 
| 成功: | 返回值为1. | 
| 失败: | 返回值为0. | 
#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
Example()
Func Example()
    Local $msg
    GUICreate("My GUI style") ; will create a dialog box that when displayed is centered
    GUICtrlCreateLabel("my label which will split on several lines", 10, 20, 100, 100)
    GUICtrlSetStyle(-1, $SS_RIGHT)
    GUISetState()
    ; Run the GUI until the dialog is closed
    While 1
        $msg = GUIGetMsg()
        If $msg = $GUI_EVENT_CLOSE Then ExitLoop
    WEnd
EndFunc   ;==>Example