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//----------------------------------------------------------------------------
// Inform.mqh
// The code should be used for educational purpose only.
//----------------------------------------------------------------------- 1 --
// Function that displays graphical messages on the screen.
//----------------------------------------------------------------------- 2 --
int Inform(int Mess_Number, int Number=0, double Value=0.0)
 {
 // int Mess_Number // Message number 
 // int Number // Integer to be passed
 // double Value // Real number to be passed
 int Win_ind; // Indicator window number
 string Graf_Text; // Message line
 color Color_GT; // Color of the message line
 static int Time_Mess; // Last publication time of the message
 static int Nom_Mess_Graf; // Graphical messages counter
 static string Name_Grf_Txt[30]; // Array of graphical message names
//----------------------------------------------------------------------- 3 --
 Win_ind= WindowFind("inform"); // Searching for indicator window number
 if (Win_ind<0)return; // If there is no such a window, leave
//----------------------------------------------------------------------- 4 --
 if (Mess_Number==0) // This happens at every tick
 {
 if (Time_Mess==0) return; // If it is gray already
 if (GetTickCount()-Time_Mess>15000)// The color has become updated within 15 sec
 {
 for(int i=0;i<=29; i++) // Color lines with gray
 ObjectSet( Name_Grf_Txt[i], OBJPROP_COLOR, Gray);
 Time_Mess=0; // Flag: All lines are gray
 WindowRedraw(); // Redrawing objects
 }
 return; // Exit the function
 }
//----------------------------------------------------------------------- 5 --
 if (Mess_Number==-1) // This happens at deinit()
 {
 for(i=0; i<=29; i++) // By object indexes
 ObjectDelete(Name_Grf_Txt[i]);// Deletion of object
 return; // Exit the function
 }
//----------------------------------------------------------------------- 6 --
 Nom_Mess_Graf++; // Graphical messages counter
 Time_Mess=GetTickCount(); // Last publication time 
 Color_GT=Lime;
//----------------------------------------------------------------------- 7 --
 switch(Mess_Number) // Going to message
 {
 case 1:
 Graf_Text="Closed order Buy "+ Number;
 PlaySound("Close_order.wav"); break;
 case 2:
 Graf_Text="Closed order Sell "+ Number;
 PlaySound("Close_order.wav"); break;
 case 3:
 Graf_Text="Deleted pending order "+ Number;
 PlaySound("Close_order.wav"); break;
 case 4:
 Graf_Text="Opened order Buy "+ Number;
 PlaySound("Ok.wav"); break;
 case 5:
 Graf_Text="Opened order Sell "+ Number;
 PlaySound("Ok.wav"); break;
 case 6:
 Graf_Text="Placed pending order "+ Number;
 PlaySound("Ok.wav"); break;
 case 7:
 Graf_Text="Order "+Number+" modified into the market one";
 PlaySound("Transform.wav"); break;
 case 8:
 Graf_Text="Reopened order "+ Number; break;
 PlaySound("Bulk.wav");
 case 9:
 Graf_Text="Partly closed order "+ Number;
 PlaySound("Close_order.wav"); break;
 case 10:
 Graf_Text="New minimum distance: "+ Number;
 PlaySound("Inform.wav"); break;
 case 11:
 Graf_Text=" Not enough money for "+
 DoubleToStr(Value,2) + " lots";
 Color_GT=Red;
 PlaySound("Oops.wav"); break;
 case 12:
 Graf_Text="Trying to close order "+ Number;
 PlaySound("expert.wav"); break;
 case 13:
 if (Number>0)
 Graf_Text="Trying to open order Sell..";
 else
 Graf_Text="Trying to open order Buy..";
 PlaySound("expert.wav"); break;
 case 14:
 Graf_Text="Invalid password. EA doesn't function.";
 Color_GT=Red;
 PlaySound("Oops.wav"); break;
 case 15:
 switch(Number) // Going to the error number
 {
 case 2: Graf_Text="Common error."; break;
 case 129: Graf_Text="Wrong price. "; break;
 case 135: Graf_Text="Price changed. "; break;
 case 136: Graf_Text="No prices. Awaiting a new tick.."; break;
 case 146: Graf_Text="Trading subsystem is busy"; break;
 case 5 : Graf_Text="Old version of the terminal."; break;
 case 64: Graf_Text="Account is blocked."; break;
 case 133: Graf_Text="Trading is prohibited"; break;
 default: Graf_Text="Occurred error " + Number;//Other errors
 }
 Color_GT=Red;
 PlaySound("Error.wav"); break;
 case 16:
 Graf_Text="Expert Advisor works only for EURUSD";
 Color_GT=Red;
 PlaySound("Oops.wav"); break;
 default:
 Graf_Text="default "+ Mess_Number;
 Color_GT=Red;
 PlaySound("Bzrrr.wav");
 }
//----------------------------------------------------------------------- 8 --
 ObjectDelete(Name_Grf_Txt[29]); // Deleting 29th (upper) object
 for(i=29; i>=1; i--) // Cycle for array indexes ..
 { // .. of graphical objects
 Name_Grf_Txt[i]=Name_Grf_Txt[i-1];// Raising objects:
 ObjectSet( Name_Grf_Txt[i], OBJPROP_YDISTANCE, 2+15*i);
 }
 Name_Grf_Txt[0]="Inform_"+Nom_Mess_Graf+"_"+Symbol(); // Object name
 ObjectCreate (Name_Grf_Txt[0],OBJ_LABEL, Win_ind,0,0);// Creating
 ObjectSet (Name_Grf_Txt[0],OBJPROP_CORNER, 3 ); // Corner
 ObjectSet (Name_Grf_Txt[0],OBJPROP_XDISTANCE, 450);// Axis Х
 ObjectSet (Name_Grf_Txt[0],OBJPROP_YDISTANCE, 2); // Axis Y
 // Текстовое описание объекта
 ObjectSetText(Name_Grf_Txt[0],Graf_Text,10,"Courier New",Color_GT);
 WindowRedraw(); // Redrawing all objects
 return;
 }
//----------------------------------------------------------------------- 9 --