Retrieves information about the font specified by a visual style for a particular part.
#Include <WinAPIEx.au3>
_WinAPI_GetThemeTextMetrics ( $hTheme, $iPartId, $iStateId [, $hDC] )
| $hTheme | Handle to a window's specified theme data. |
| $iPartId | The part to retrieve font information about. |
| $iStateId | The state of the part. |
| $hDC | [可选参数] Handle to the device context to use for screen context. |
| Success | $tagTEXTMETRIC structure that contains the font information. |
| 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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