Sets up the out of process preview handler.
void SetPreviewInfo(
   UINT nIDPreviewFrame,
   CRuntimeClass* pPreviewFrameClass = NULL,
   CRuntimeClass* pPreviewViewClass = NULL
);
Parameters
- nIDPreviewFrame 
 Specifies a resource ID of the preview frame.
- pPreviewFrameClass 
 Specifies a pointer to a runtime class information structure of the preview frame.
- pPreviewViewClass 
 Specifies a pointer to a runtime class information structure of the preview view.
Requirements
Header: afxwin.h