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Please help me about the error : Invalid volume

Hi , everybody I encoutered an error when i release a new version, This error has never been encountered in the previous release process , I can not find out why this happened, Please help me! The following is the error message and source code： bool TradeClass::SendOrder( const ENUM_ORDER_TYPE _OP

How use filling trpe IOC & FOK to solve the slippage?

Hello everyone, I am a developer. My EA often encounters slippage problems in the market, especially when the lot is large. I try to set filling type to solves this but it doesn't seem to work. I'm looking for some answers : 1. can anyone effectively apply IOC, FOK and return filling types? 2. does

The leverage of the trade account cannot be updated by the signal

I registered a signal, and the trading account lever was 1:888, which was later changed to 1:500, but the signal was not updated, so that others could not subscribe. I clicked the update on the signal editing page and didn't respond. How can I solve it