This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.
virtual BOOL ReplacePane(
CDockablePane* pBarOld,
CDockablePane* pBarNew
);
Parameters
[in] pBarOld
[in] pBarNew
Requirements
Header: afxpanecontainermanager.h