An error handler is a user-defined function.
SMC_VOID ErrorCallback ( SMC_CONNECT_ID clientId, SMC_COMMAND_ID commandId, SMC_VOIDP userDataHandle)
identifies a Monitor connection.
identifies an instance of a command.
An error handler can be changed at any time via either smc_change_error_handler or smc_connect_props functions. (See Callback function for more information)
C++ member functions cannot be used as callback functions.