Open

Opens chart with specified parameters and assigns it to the class instance.

long  Open(
   const string     symbol_name,     // symbol
   ENUM_TIMEFRAMES  timeframe        // period
   )

Parameters

symbol_name

[in] Chart symbol. NULL means the symbol of the current chart (to which an expert is attached).

timeframe

[in] Chart timeframe (from ENUM_TIMEFRAMES enumeration). 0 means the current timeframe.

Return Value

chart identifier.