//+------------------------------------------------------------------+ //| stdlib.mq4 | //| Copyright 2005-2014, MetaQuotes Software Corp. | //| http://www.mql4.com | //+------------------------------------------------------------------+ #property copyright "2005-2014, MetaQuotes Software Corp." #property link "http://www.mql4.com" #property library //+------------------------------------------------------------------+ //| return error description | //+------------------------------------------------------------------+ string ErrorDescription(int error_code) { string error_string; //--- switch(error_code) { //--- codes returned from trade server case 0: case 1: error_string="no error"; break; case 2: error_string="common error"; break; case 3: error_string="invalid trade parameters"; break; case 4: error_string="trade server is busy"; break; case 5: error_string="old version of the client terminal"; break; case 6: error_string="no connection with trade server"; break; case 7: error_string="not enough rights"; break; case 8: error_string="too frequent requests"; break; case 9: error_string="malfunctional trade operation (never returned error)"; break; case 64: error_string="account disabled"; break; case 65: error_string="invalid account"; break; case 128: error_string="trade timeout"; break; case 129: error_string="invalid price"; break; case 130: error_string="invalid stops"; break; case 131: error_string="invalid trade volume"; break; case 132: error_string="market is closed"; break; case 133: error_string="trade is disabled"; break; case 134: error_string="not enough money"; break; case 135: error_string="price changed"; break; case 136: error_string="off quotes"; break; case 137: error_string="broker is busy (never returned error)"; break; case 138: error_string="requote"; break; case 139: error_string="order is locked"; break; case 140: error_string="long positions only allowed"; break; case 141: error_string="too many requests"; break; case 145: error_string="modification denied because order is too close to market"; break; case 146: error_string="trade context is busy"; break; case 147: error_string="expirations are denied by broker"; break; case 148: error_string="amount of open and pending orders has reached the limit"; break; case 149: error_string="hedging is prohibited"; break; case 150: error_string="prohibited by FIFO rules"; break; //--- mql4 errors case 4000: error_string="no error (never generated code)"; break; case 4001: error_string="wrong function pointer"; break; case 4002: error_string="array index is out of range"; break; case 4003: error_string="no memory for function call stack"; break; case 4004: error_string="recursive stack overflow"; break; case 4005: error_string="not enough stack for parameter"; break; case 4006: error_string="no memory for parameter string"; break; case 4007: error_string="no memory for temp string"; break; case 4008: error_string="non-initialized string"; break; case 4009: error_string="non-initialized string in array"; break; case 4010: error_string="no memory for array\' string"; break; case 4011: error_string="too long string"; break; case 4012: error_string="remainder from zero divide"; break; case 4013: error_string="zero divide"; break; case 4014: error_string="unknown command"; break; case 4015: error_string="wrong jump (never generated error)"; break; case 4016: error_string="non-initialized array"; break; case 4017: error_string="dll calls are not allowed"; break; case 4018: error_string="cannot load library"; break; case 4019: error_string="cannot call function"; break; case 4020: error_string="expert function calls are not allowed"; break; case 4021: error_string="not enough memory for temp string returned from function"; break; case 4022: error_string="system is busy (never generated error)"; break; case 4023: error_string="dll-function call critical error"; break; case 4024: error_string="internal error"; break; case 4025: error_string="out of memory"; break; case 4026: error_string="invalid pointer"; break; case 4027: error_string="too many formatters in the format function"; break; case 4028: error_string="parameters count is more than formatters count"; break; case 4029: error_string="invalid array"; break; case 4030: error_string="no reply from chart"; break; case 4050: error_string="invalid function parameters count"; break; case 4051: error_string="invalid function parameter value"; break; case 4052: error_string="string function internal error"; break; case 4053: error_string="some array error"; break; case 4054: error_string="incorrect series array usage"; break; case 4055: error_string="custom indicator error"; break; case 4056: error_string="arrays are incompatible"; break; case 4057: error_string="global variables processing error"; break; case 4058: error_string="global variable not found"; break; case 4059: error_string="function is not allowed in testing mode"; break; case 4060: error_string="function is not confirmed"; break; case 4061: error_string="send mail error"; break; case 4062: error_string="string parameter expected"; break; case 4063: error_string="integer parameter expected"; break; case 4064: error_string="double parameter expected"; break; case 4065: error_string="array as parameter expected"; break; case 4066: error_string="requested history data is in update state"; break; case 4067: error_string="internal trade error"; break; case 4068: error_string="resource not found"; break; case 4069: error_string="resource not supported"; break; case 4070: error_string="duplicate resource"; break; case 4071: error_string="custom indicator cannot initialize"; break; case 4099: error_string="end of file"; break; case 4100: error_string="some file error"; break; case 4101: error_string="wrong file name"; break; case 4102: error_string="too many opened files"; break; case 4103: error_string="cannot open file"; break; case 4104: error_string="incompatible access to a file"; break; case 4105: error_string="no order selected"; break; case 4106: error_string="unknown symbol"; break; case 4107: error_string="invalid price parameter for trade function"; break; case 4108: error_string="invalid ticket"; break; case 4109: error_string="trade is not allowed in the expert properties"; break; case 4110: error_string="longs are not allowed in the expert properties"; break; case 4111: error_string="shorts are not allowed in the expert properties"; break; case 4200: error_string="object already exists"; break; case 4201: error_string="unknown object property"; break; case 4202: error_string="object does not exist"; break; case 4203: error_string="unknown object type"; break; case 4204: error_string="no object name"; break; case 4205: error_string="object coordinates error"; break; case 4206: error_string="no specified subwindow"; break; case 4207: error_string="graphical object error"; break; case 4210: error_string="unknown chart property"; break; case 4211: error_string="chart not found"; break; case 4212: error_string="chart subwindow not found"; break; case 4213: error_string="chart indicator not found"; break; case 4220: error_string="symbol select error"; break; case 4250: error_string="notification error"; break; case 4251: error_string="notification parameter error"; break; case 4252: error_string="notifications disabled"; break; case 4253: error_string="notification send too frequent"; break; case 5001: error_string="too many opened files"; break; case 5002: error_string="wrong file name"; break; case 5003: error_string="too long file name"; break; case 5004: error_string="cannot open file"; break; case 5005: error_string="text file buffer allocation error"; break; case 5006: error_string="cannot delete file"; break; case 5007: error_string="invalid file handle (file closed or was not opened)"; break; case 5008: error_string="wrong file handle (handle index is out of handle table)"; break; case 5009: error_string="file must be opened with FILE_WRITE flag"; break; case 5010: error_string="file must be opened with FILE_READ flag"; break; case 5011: error_string="file must be opened with FILE_BIN flag"; break; case 5012: error_string="file must be opened with FILE_TXT flag"; break; case 5013: error_string="file must be opened with FILE_TXT or FILE_CSV flag"; break; case 5014: error_string="file must be opened with FILE_CSV flag"; break; case 5015: error_string="file read error"; break; case 5016: error_string="file write error"; break; case 5017: error_string="string size must be specified for binary file"; break; case 5018: error_string="incompatible file (for string arrays-TXT, for others-BIN)"; break; case 5019: error_string="file is directory, not file"; break; case 5020: error_string="file does not exist"; break; case 5021: error_string="file cannot be rewritten"; break; case 5022: error_string="wrong directory name"; break; case 5023: error_string="directory does not exist"; break; case 5024: error_string="specified file is not directory"; break; case 5025: error_string="cannot delete directory"; break; case 5026: error_string="cannot clean directory"; break; case 5027: error_string="array resize error"; break; case 5028: error_string="string resize error"; break; case 5029: error_string="structure contains strings or dynamic arrays"; break; default: error_string="unknown error"; } //--- return(error_string); } //+------------------------------------------------------------------+ //| convert red, green and blue values to color | //+------------------------------------------------------------------+ int RGB(int red_value,int green_value,int blue_value) { //--- check parameters if(red_value<0) red_value=0; if(red_value>255) red_value=255; if(green_value<0) green_value=0; if(green_value>255) green_value=255; if(blue_value<0) blue_value=0; if(blue_value>255) blue_value=255; //--- green_value<<=8; blue_value<<=16; return(red_value+green_value+blue_value); } //+------------------------------------------------------------------+ //| right comparison of 2 doubles | //+------------------------------------------------------------------+ bool CompareDoubles(double number1,double number2) { if(NormalizeDouble(number1-number2,8)==0) return(true); else return(false); } //+------------------------------------------------------------------+ //| up to 16 digits after decimal point | //+------------------------------------------------------------------+ string DoubleToStrMorePrecision(double number,int precision) { static double DecimalArray[17]= { 1.0, 10.0, 100.0, 1000.0, 10000.0, 100000.0, 1000000.0, 10000000.0, 100000000.0, 1000000000.0, 10000000000.0, 100000000000.0, 1000000000000.0, 10000000000000.0, 100000000000000.0, 1000000000000000.0, 10000000000000000.0 }; double rem,integer,integer2; string intstring,remstring,retstring; bool isnegative=false; int rem2; //--- if(precision<0) precision=0; if(precision>16) precision=16; //--- double p=DecimalArray[precision]; if(number<0.0) { isnegative=true; number=-number; } integer=MathFloor(number); rem=MathRound((number-integer)*p); remstring=""; for(int i=0; i0) retstring=retstring+"."+remstring; //--- return(retstring); } //+------------------------------------------------------------------+ //| convert integer to string contained input's hexadecimal notation | //+------------------------------------------------------------------+ string IntegerToHexString(int integer_number) { string hex_string="00000000"; int value,shift=28; //--- for(int i=0; i<8; i++) { value=(integer_number>>shift)&0x0F; if(value<10) hex_string=StringSetChar(hex_string,i,ushort(value+'0')); else hex_string=StringSetChar(hex_string,i,ushort((value-10)+'A')); shift-=4; } //--- return(hex_string); } //+------------------------------------------------------------------+