MQL4参考 交易信号 SignalBaseSelect
SignalBaseSelect
Selects a signal from signals, available in terminal for further working with it.
bool SignalBaseSelect(
int index
); |
Parameters
index
[in] Signal index in base of trading signals.
Returned value
Example:
void OnStart()
{
//--- get total amount of signals in the terminal
int total=SignalBaseTotal();
//--- process all signals
for(int i=0;i<total;i++)
{
//--- select the signal by index
if(SignalBaseSelect(i))
{
//--- get signal properties
long id =SignalBaseGetInteger(SIGNAL_BASE_ID); // signal id
long pips =SignalBaseGetInteger(SIGNAL_BASE_PIPS); // profit in pips
long subscr=SignalBaseGetInteger(SIGNAL_BASE_SUBSCRIBERS); // number of subscribers
string name =SignalBaseGetString(SIGNAL_BASE_NAME); // signal name
double price =SignalBaseGetDouble(SIGNAL_BASE_PRICE); // signal price
string curr =SignalBaseGetString(SIGNAL_BASE_CURRENCY); // signal currency
//--- print all profitable free signals with subscribers
if(price==0.0 && pips>0 && subscr>0)
PrintFormat("id=%d, name=\"%s\", currency=%s, pips=%d, subscribers=%d",id,name,curr,pips,subscr);
}
else PrintFormat("Error in call of SignalBaseSelect. Error code=%d",GetLastError());
}
} |
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