TRegisterPropertyInCategoryProc = procedure (const CategoryName: string; ComponentClass: TClass; PropertyType: PTypeInfo; const PropertyName: string);
(const CategoryName: string; ComponentClass: TClass; PropertyType: PTypeInfo; const PropertyName: string) ( TRegisterPropertyInCategoryProc)();
DesignIntf
This is type DesignIntf.TRegisterPropertyInCategoryProc.