brokerCommand PLOT_HLINE parameters

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brokerCommand PLOT_HLINE parameters #488967 Yesterday at 20:28 Yesterday at 20:28
Joined: Apr 2020 Posts: 14 Germany M M_D OP Newbie
M_D OP Newbie M Joined: Apr 2020 Posts: 14 Germany	Hi all, need a hand regarding the brokerCommand PLOT_HLINE. Im using MT4 bridge and want to plot 2 pricelevels on mt4 chart. manual says: PLOT_HLINE \| var[5] \| Place a horizontal line at a given price in the chart window of the broker platform. 5 parameters are used: P[0] = always 0; P[1] = price position; P[2] = line color; P[3] = line width; P[4] = line style. Return the identfier number of the line. so related part of my script looks like following: Code BreakEvenLongTrigger = TradePriceOpen + Range * 0.5; LosingLongLevel = TradePriceOpen - Range * 0.4; brokerCommand(PLOT_HLINE,0,BreakEvenLongTrigger,GREEN,1,1); brokerCommand(PLOT_HLINE,0,LosingLongLevel,ORANGE,1,1); those are placed within a tmf. if i try run with TRADE on mt4 demo account, zorro compiler gives following error: brokerCommand(): wrong number of parameters < brokerCommand(PLOT_HLINE,0,BreakEvenLongTrigger,GREEN,1,1); >. I could not find any further documentation or any examples on how the parameters have to be set. Any advice would be highly appreciated. (Zorro S 2.70) rest of my script is running fine so far ... Thanks in advance M_D Last edited by M_D; Yesterday at 20:34.

Re: brokerCommand PLOT_HLINE parameters [Re: M_D] #488968 Yesterday at 20:49 Yesterday at 20:49
Joined: Feb 2017 Posts: 1,809 Chicago AndrewAMD Serious User
AndrewAMD Serious User Joined: Feb 2017 Posts: 1,809 Chicago	brokerCommand takes only two parameters. In your case: brokerCommand (int Command, var* Parameters) For PLOT_HLINE, it specifically says that the second parameter is var[5]. So in your script, you can do something like this: Code var hconfig[5]; hconfig[0] = 0; // always 0 hconfig[1] = 0; // price position hconfig[2] = 0; // line color hconfig[3] = 0; // line width hconfig[4] = 0; // line style brokerCommand(PLOT_HLINE, hconfig); www.vitaltrades.com - andrew@vitaltrades.com

Re: brokerCommand PLOT_HLINE parameters [Re: M_D] #488969 Yesterday at 20:58 Yesterday at 20:58
Joined: Apr 2020 Posts: 14 Germany M M_D OP Newbie
M_D OP Newbie M Joined: Apr 2020 Posts: 14 Germany	Hi AndrewAMD, thank you. But new questions: line color = ... like in zorro? GREEN? line style = ... also no idea ... LINE? Thanks in advance and kind regards M_D

Re: brokerCommand PLOT_HLINE parameters [Re: M_D] #488970
Yesterday at 21:10 Yesterday at 21:10

Joined: Apr 2020
Posts: 14
Germany

M_D

OP
Newbie

M_D

OP
Newbie

Joined: Apr 2020
Posts: 14
Germany

made the changes accordingly ...

Code

       var BreakEvenLongTrigger, LosingLongLevel;

       BreakEvenLongTrigger = TradePriceOpen + Range * 0.5;
       LosingLongLevel = TradePriceOpen - Range * 0.4;

        var hconfig_1[5];
	hconfig_1[0] = 0; // always 0
	hconfig_1[1] = BreakEvenLongTrigger; // price position
	hconfig_1[2] = GREEN; // line color
	hconfig_1[3] = 1; // line width
	hconfig_1[4] = LINE; // line style
	
	var hconfig_2[5];
	hconfig_2[0] = 0; // always 0
	hconfig_2[1] = LosingLongLevel; // price position
	hconfig_2[2] = ORANGE; // line color
	hconfig_2[3] = 1; // line width
	hconfig_2[4] = LINE; // line style

        brokerCommand(PLOT_HLINE, hconfig_1);
	brokerCommand(PLOT_HLINE, hconfig_2);

no compiler errors so far ... Thank you.
Testing now and will check if plots appear on mt4 chart ...

Re: brokerCommand PLOT_HLINE parameters [Re: M_D] #488971 4 hours ago 4 hours ago
Joined: Apr 2020 Posts: 14 Germany M M_D OP Newbie
M_D OP Newbie M Joined: Apr 2020 Posts: 14 Germany	Well, script is running without errors. But dont get plots on mt4 chart. Can someone tell me how to return a brokercommand value (check if !=0)? on the mt4 terminal there are no related messages in Experts or Journal tab. Zorro manual "MT4/5 Bridge" gives advise on how to get a return, i have read it ... but not really understood. And seems to me like explaination for "own generated broker commands". Not my case, already predefined. so how to proceed?

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