IsThemePartDefined function uxtheme
Retrieves whether a visual style has defined parameters for the specified part and state.
BOOL IsThemePartDefined(
HTHEME hTheme,
int iPartId,
int iStateId
);
Implementation
int IsThemePartDefined(int hTheme, int iPartId, int iStateId) =>
_IsThemePartDefined(hTheme, iPartId, iStateId);