MQL5 ReferenceStandard LibraryTrade ClassesCTerminalInfoIsConnected BuildIsConnectedIsDLLsAllowedIsTradeAllowedIsEmailEnabledIsFtpEnabledMaxBarsCodePageCPUCoresMemoryPhysicalMemoryTotalMemoryAvailableMemoryUsedIsX64OpenCLSupportDiskSpaceLanguageNameCompanyPathDataPathCommonDataPathInfoIntegerInfoString IsConnected Gets the information about connection to trade server. bool IsConnected() const Return Value true - the terminal is connected to a trade server, otherwise - false. Note Connection status is defined by TerminalInfoInteger() function (TERMINAL_CONNECTED property). Build IsDLLsAllowed