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Error 4051 when 'OrderSelect' function is used as a switch

Hi Could someone help me with a frustrating problem ? When I use the following command it works perfectly as a switch but always generates Error 4051. if(OrderSelect(0,SELECT_BY_POS,MODE_TRADES))return; I can just use GetLastError to clear but in an attempt to learn more about MQL4 I would

Windows 10 update and Restart

Hi Chaps and Chapettes I have searched the forum with the title above but it gave no results so apologies if this has already been covered. I am having a problem with windows 10 update restarting my PC and closing my trading terminal when EA's are running. I have tried everything including altering

iHighest and iLowest (shift) ?

Hi Chaps I would appreciate any help that you can give with the iHighest & ILowest functions , I have coded this and am getting whole numbers returned such as 138 and 9 respectively what exactly does this shift relate to with respect to the basic Pip or Point. Kindest Regards Will

VLine Chart Object not displaying

Hi Chaps and Chapesses Please help me, I have spent hours on this problem. I am creating Horizontal lines without any problems. However, when I try vertical Lines (OBJ_VLINE) I get nothing on the display I have checked the 'GetLastError' and when I remove the 'ObjectDelete' code I get a 4200 error