Marks the beginning of the Registry Data Exchange map.
BEGIN_RDX_MAP
Remarks
The following macros are used within the Registry Data Exchange map to read and write entries in the system registry:
| Macro | Description | 
|---|---|
| Associates the specified registry entry with a specified member variable of type BYTE. | |
| Associates the specified registry entry with a specified member variable of type DWORD. | |
| Associates the specified registry entry with a specified member variable of type CString. | |
| Associates the specified registry entry with a specified member variable of type TCHAR. | 
The global function RegistryDataExchange, or the member function of the same name created by the BEGIN_RDX_MAP and END_RDX_MAP macros, should be used whenever your code needs to exchange data between the system registry and the variables specified in the RDX map.
Requirements
Header: atlplus.h