CFontHolder does not have a base class.
The CFontHolder class, which encapsulates the functionality of a Windows font object and the IFont interface, is used to implement the stock Font property.
Use this class to implement custom font properties for your control. For information on creating such properties, see the article ActiveX Controls: Using Fonts in an ActiveX Control in Visual C++ Programmer's Guide.
#include <afxctl.h>
Class Members | Hierarchy Chart
See Also CPropExchange