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ON_COMMAND_EX 

This macro maps a command message to an extended command-handler member function.


ON_COMMAND_EX(
      id,
      memberFxn
);

Parameters

id

The command ID.

memberFxn

The name of the message-handler function to which the command is mapped.

An extended form of command message handlers is available for advanced uses. The ON_COMMAND_EX macro is used for such message handlers, and it provides a superset of the ON_COMMAND functionality. Extended command-handler member functions take a single parameter, a UINT containing the command ID, and return a BOOL. The return value should be TRUE to indicate that the command has been handled; otherwise routing will continue to other command target objects.

For more information, see Technical Note TN006: Message Maps.

Header file: afxmsg_.h

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