So I was able to make a DLL just fine to work in MT. Then I expanded it to use some MySQL code so I can write some info to a database. Now the DLL doesn't seem to load. I have the MySQL dll's that it requires in the experts/library folder. Is there an issue to use a DLL that users other DLL's inside of it? I created a test C++ app and load my DLL and that works. So not sure why MT won't load. Any ideas?
- Calling DLL linked to another DLL from Custom Indicator, Is this possible?
- Using database connection in MQ
- Running an EA that requires DLL's and VPS
there is no such restriction, it should work without problems. You must have made some other mistake. Maybe you still forgot one more dependency? What is the error code you get?

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