Calculates the size and location of the specified text when rendered in the visual style font.
#Include <WinAPIEx.au3>
_WinAPI_GetThemeTextExtent ( $hTheme, $iPartId, $iStateId, $hDC, $sText, $tRECT, $iFlags )
| $hTheme | Handle to a window's specified theme data. |
| $iPartId | The part in which the text will be drawn. |
| $iStateId | The state of the part. |
| $hDC | Handle to the device context to select the font into. |
| $sText | The string that contains the text to draw. |
| $tRECT | $tagRECT structure that contains the rectangle used to control layout of the text. This parameter may be set to 0. |
| $iFlags | The string's formatting flags ($DT_*). |
| Success | $tagRECT structure that contains, in logical coordinates, the rectangle required to fit the rendered text. |
| 失败: | 返回 0 并设置 @error 标志为非 0 值, @extended 标志可能包含一个系统错误代码. |
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