Bars() in strategy is always 0

[edoughig]

Am I missing something, or is the return from Bars() in a strategy supposed to be 0? I wrote a strategy in c++ and in GetSingleTick() the first thing I do is check that the number of bars is greater than an input so I am sure I can pull the past prices I need for some calculations. When debugging I see that Bars() is always 0. Is there a better way to test for this? Here is the code:

If(Bars() < TotallBars)
{
return;
}

TotalBars shows the correct value but Bars() is always 0, so execution never gets past this if statement. Any ideas? Should use a StartTime variable instead?

I should say I have tested this in the quick test and not in the normal test mode.

[KelvinHand]

Am I missing something, or is the return from Bars() in a strategy supposed to be 0? I wrote a strategy in c++ and in GetSingleTick() the first thing I do is check that the number of bars is greater than an input so I am sure I can pull the past prices I need for some calculations. When debugging I see that Bars() is always 0. Is there a better way to test for this? Here is the code:

If(Bars() < TotallBars)
{
return;
}

TotalBars shows the correct value but Bars() is always 0, so execution never gets past this if statement. Any ideas? Should use a StartTime variable instead?

I should say I have tested this in the quick test and not in the normal test mode.

Based on most of the strategies in delphi:

=== Most like you did not add this ===
// set currency and timeframe
SetCurrencyAndTimeframe(Symbol(), TimeFrame());


If(Bars() < TotallBars)
{
return;
}

[edoughig]

Am I missing something, or is the return from Bars() in a strategy supposed to be 0? I wrote a strategy in c++ and in GetSingleTick() the first thing I do is check that the number of bars is greater than an input so I am sure I can pull the past prices I need for some calculations. When debugging I see that Bars() is always 0. Is there a better way to test for this? Here is the code:

If(Bars() < TotallBars)
{
return;
}

TotalBars shows the correct value but Bars() is always 0, so execution never gets past this if statement. Any ideas? Should use a StartTime variable instead?

I should say I have tested this in the quick test and not in the normal test mode.

Based on most of the strategies in delphi:

=== Most like you did not add this ===
// set currency and timeframe
SetCurrencyAndTimeframe(Symbol(), TimeFrame());


If(Bars() < TotallBars)
{
return;
}

Yeah, SetCurrencyAndTimeframe(...) is in there, but you are right, that was the issue. Bars() is always 0 BEFORE that method is called. After, all is good.

Thank you for your reply and help.

[sajjad123]

Thanks very much for confirming my experiences with the API.

In the end i was able to achieve what I needed to porting my metatrader code over. Apart from the language difference there was very little that changed




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