Can anyone tell me what a DLL import is and how it works??

 
Thanks all.
 
see our samples
sources and VC++ project (MS VisualStudio 6) - experts\samples\ExpertSample
ExpertSample.dll - experts\samples\libraries; You need to relocate it to the experts\libraries
sampledll.mqh - experts\samples\include; You need to relocate it to the experts\include
sample expert (or script) - samples\ExportFunctions.mq4