CPictureHolder does not have a base class.
The purpose of the CPictureHolder class is implementation of a Picture property, which allows the user to display a picture in your control. With the stock Picture property, the developer can specify a bitmap, icon, or metafile for display.
For information on creating custom picture properties, see the article ActiveX Controls: Using Pictures in an ActiveX Control in Visual C++ Programmer’s Guide.
#include <afxctl.h>
Class Members | Hierarchy Chart
See Also CFontHolder