Retrieves whether a visual style has defined parameters for the specified part
#include <WinAPITheme.au3>
_WinAPI_IsThemePartDefined ( $hTheme, $iPartID )
| $hTheme | Handle to a window's specified theme data. |
| $iPartID | The part. |
| True: | the theme has defined parameters for the specified $iPartID. |
| False: | no defined parameters. |
Search IsThemePartDefined in MSDN Library.