bool SeriesInfoInteger	(	string	symbol_name,
		int	timeframe,
		int	prop_id,
		out long	long_var
	)

Returns information about the state of historical data

Parameters

symbol	Symbol the data of which should be used to calculate indicator. NULL means the current symbol
timeframe	Timeframe. It can be any of following values: PERIOD_CURRENT 0 Current timeframe PERIOD_M1 1 1 minute PERIOD_M5 5 5 minutes PERIOD_M15 15 15 minutes PERIOD_M30 30 30 minutes PERIOD_H1 60 1 hour PERIOD_H4 240 4 hours PERIOD_D1 1440 1 day PERIOD_W1 10080 1 week PERIOD_MN1 43200 1 month PERIOD_M2 2 2 minutes PERIOD_M3 3 3 minutes PERIOD_M4 4 4 minutes PERIOD_M6 6 6 minutes PERIOD_M10 10 10 minutes PERIOD_M12 12 12 minutes PERIOD_M20 20 20 minutes PERIOD_H2 120 2 hours PERIOD_H3 180 3 hours PERIOD_H6 360 6 hours PERIOD_H8 480 8 hours PERIOD_H12 720 12 hours
prop_id	Identifier of the requested property, must one of the following values: SERIES_BARS_COUNT Bars count for the symbol-period for the current moment long SERIES_FIRSTDATE The very first date for the symbol-period for the current moment DateTime SERIES_LASTBAR_DATE Open time of the last bar of the symbol-period DateTime SERIES_SERVER_FIRSTDATE The very first date in the history of the symbol on the server regardless of the timeframe DateTime
long_var	Variable to which the value of the requested property is placed.

Returns

Returns true, if the specified property is available and its value has been placed into long_var variable, otherwise it returns false. For more details about an error, call GetLastError().