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Autohotkey Draw Trendline Code

  • #1
  • First Post: Sep 30, 2011 11:28am Sep 30, 2011 11:28am
Hey guys, I just discovered Autohotkey and downloaded a script for MT4. The feature that I'd like to add to the code is a shortcut to draw a trendline. For example, I'd like to be able to click TAB+T and then be able to draw a new trendline on the chart. Anyone know what code to add to my .AHK script in order to do this? Thanks!
  • #2
  • Sep 30, 2011 12:46pm Sep 30, 2011 12:46pm
How do you draw the trend lines on the chart?
I mean from where to where?

Quoting scottymoll
Hey guys, I just discovered Autohotkey and downloaded a script for MT4. The feature that I'd like to add to the code is a shortcut to draw a trendline. For example, I'd like to be able to click TAB+T and then be able to draw a new trendline on the chart. Anyone know what code to add to my .AHK script in order to do this? Thanks!
Stop asking ChatGPT for broken MQL code. VisualMQL it instead.
  • #3
  • Sep 30, 2011 11:13pm Sep 30, 2011 11:13pm
I draw horizontal trendlines starting at the close of bars. I would like to add code into the script that say when I press TAB+T my pointer then goes into trendline draw mode and I'm ready to draw. Basically, just a shortcut instead of me clicking on the trendline icon on the toolbar.

On another note, is there a way to make all trendlines perfectly horizontal without me having to go into the properties and adjust the end point manually? I know I can use the horizontal line feature which draws a line across the entire chart, but that won't work. I need it to be a trendline that starts at a certain close on the chart.
  • #4
  • Oct 1, 2011 4:44pm Oct 1, 2011 4:44pm
It can be done what you need to do is send these key stroks to MT.

Alt & I & L & T

or just type them on your key board.




Quoting scottymoll
I draw horizontal trendlines starting at the close of bars. I would like to add code into the script that say when I press TAB+T my pointer then goes into trendline draw mode and I'm ready to draw. Basically, just a shortcut instead of me clicking on the trendline icon on the toolbar.

On another note, is there a way to make all trendlines perfectly horizontal without me having to go into the properties and adjust the end point manually? I know I can use the horizontal line feature which draws a line across the entire chart, but that won't work....
Trader Keit ... Methods Of A Dirt Road Mad Man....
  • #5
  • Oct 2, 2011 4:56am Oct 2, 2011 4:56am
You can do this without external scripting. You can write MQL4 scripts that do such small tasks and bind them to keys directly within MT4. For example you could write a script that opens a buy position and bind it to Ctrl+B and another script that opens a sell and bind it to Ctrl+S, etc.

And in the same way you could write a little MQL4 script that will draw the trend line and bind it to Ctrl+T (or any other key combination you wish). This is convenient for your purpose because the mql4 script has easy access to all the prices in the chart (something the autohotkey script has not) and you can do even sophisticated things with the current and past prices to anchor the line exactly according to your strategy.
  • #6
  • Oct 2, 2011 8:55pm Oct 2, 2011 8:55pm
Unfortunately I have no clue how to code.

What about this. Can I edit the actual Trendline Object Coding from the platform and make one change? I just want the trendline to always plot at 0 degrees (a horizontal line). When I attach a trendline to a close, I always have to manually go into the properties and adjust the end value to match the beginning price so that the line will plot straight. If the line was fixed as a horizontal line always, it would make things wayyyy easier.

Quoting 7bit
You can do this without external scripting. You can write MQL4 scripts that do such small tasks and bind them to keys directly within MT4. For example you could write a script that opens a buy position and bind it to Ctrl+B and another script that opens a sell and bind it to Ctrl+S, etc.

And in the same way you could write a little MQL4 script that will draw the trend line and bind it to Ctrl+T (or any other key combination you wish). This is convenient for your purpose because the mql4 script has easy access to all the prices in the chart (something...
  • #7
  • Oct 2, 2011 10:12pm Oct 2, 2011 10:12pm
Here start with Fractals , how many fractals to count before it generated the trand line , so 1 st fractal is 0 then wait till 3rd fractal then draw line , or any value of fractal to look back to draw .
  • #8
  • Oct 2, 2011 10:23pm Oct 2, 2011 10:23pm
I was looking into fractals, but I have specific requirements for when I draw my trendlines or not. I don't neccesarily need them to draw automatically (fractals), I would just like to make it easier to draw the horizontal trendlines. I appreciate the idea though. Thanks!

Quoting ccr
Here start with Fractals , how many fractals to count before it generated the trand line , so 1 st fractal is 0 then wait till 3rd fractal then draw line , or any value of fractal to look back to draw .
  • #9
  • Oct 2, 2011 10:29pm Oct 2, 2011 10:29pm
Same heer , if we foundaway to make that trend line work supposted it will be holly grill
  • #10
  • Oct 3, 2011 5:16am Oct 3, 2011 5:16am
Quoting scottymoll
Unfortunately I have no clue how to code.
[...]
I just want the trendline to always plot at 0 degrees (a horizontal line). When I attach a trendline to a close, I always have to manually go into the properties and adjust the end value to match the beginning price so that the line will plot straight. If the line was fixed as a horizontal line always, it would make things wayyyy easier.
I'm sure someone here will be able to post a short 5 line (or so) script that you can drag from the navigator window onto the chart (or bind to a key) that will create a new trend line object starting at the close of the last bar and extending horizontally into the future.

I would do it myself but I don't have my PC with the trading platform running at the moment. Its really just a few simple lines of code but writing it blindly now without metaeditor running I would probably get a few of the OBJPROP constants wrong or introduce some other typos and I don't want to post untested scripts.
  • #11
  • Oct 3, 2011 6:16am Oct 3, 2011 6:16am
Here you go.
'Draw HLine Drop' will draw a line where it is dropped
'Draw HLine Key' will draw a line LineOffset bytes from the bid
Change the parameters in the files to suit your needs
Inserted Code
//Uncomment line below to show input parameter window on activation
//#property show_inputs

extern color LineColor=Aqua;
extern int   LineStyle=STYLE_SOLID; //0-4: STYLE_SOLID,STYLE_DASH,STYLE_DOT,STYLE_DASHDOT,STYLE_DASHDOTDOT
extern int   LineType=OBJ_HLINE;    //1,2: OBJ_HLINE,OBJ_TREND
Attached File(s)
File Type: mq4 Draw HLine Drop.mq4   2 KB | 1,451 downloads
File Type: mq4 Draw HLine Key.mq4   2 KB | 1,250 downloads
  • #12
  • Oct 3, 2011 8:07am Oct 3, 2011 8:07am
Thanks so much for throwing that code together, but it's still not what I need. I draw trendlines starting at the close of certain bars. I need to use the trendline object instead of the horizontal line object so that I can see the starting point. As you know, the horizontal line object draws a line across the entire screen, causing it to be hard to figure out which specific close it's attached to.
All my trendlines are horizontal, so it would be great if we could modify the trendline to always be at a 0 degree angle. Is this possible?

Quoting Xaphod
Here you go.
'Draw HLine Drop' will draw a line where it is dropped
'Draw HLine Key' will draw a line LineOffset bytes from the bid
Change the parameters in the files to suit your needs
Inserted Code
//Uncomment line below to show input parameter window on activation
//#property show_inputs
 
extern color LineColor=Aqua;
extern int   LineStyle=STYLE_SOLID; //0-4: STYLE_SOLID,STYLE_DASH,STYLE_DOT,STYLE_DASHDOT,STYLE_DASHDOTDOT
extern int   LineType=OBJ_HLINE;    //1,2: OBJ_HLINE,OBJ_TREND
  • #13
  • Oct 3, 2011 8:19am Oct 3, 2011 8:19am
Quoting scottymoll
I need to use the trendline object instead of the horizontal line object so that I can see the starting point.
Well, that is what the LineType Parameter is for. Why don't you change it yourself. I have provided info on the possible options:
extern int LineType=OBJ_HLINE; //1,2: OBJ_HLINE,OBJ_TREND
  • #14
  • Oct 3, 2011 8:29am Oct 3, 2011 8:29am
Ohh, I see. Is there a way to modify the ray of the trendline to be fixed at a 0 degree angle? For example, when I grab the far left side (beginning) of the trendline and move it, I want the entire trendline to stay horizontal instead of pivoting from that point.

Also, the ray is drawing backwards and extending to the left instead of the right.

Quoting Xaphod
Well, that is what the LineType Parameter is for. Why don't you change it yourself. I have provided info on the possible options:
extern int LineType=OBJ_HLINE; //1,2: OBJ_HLINE,OBJ_TREND
  • #15
  • Oct 3, 2011 8:35am Oct 3, 2011 8:35am
Quoting scottymoll
Ohh, I see. Is there a way to modify the ray of the trendline to be fixed at a 0 degree angle? For example, when I grab the far left side (beginning) of the trendline and move it, I want the entire trendline to stay horizontal instead of pivoting from that point.
Grab it in the middle?
  • #16
  • Oct 3, 2011 8:40am Oct 3, 2011 8:40am
But then it wont snap to the close of the bar I'm trying to attach it to. I'm sorry, maybe I'm being too picky here. haha. I really do appreciate you posting the code and I will try to learn to modify it.

Quoting Xaphod
Grab it in the middle?
  • #17
  • Oct 3, 2011 8:55am Oct 3, 2011 8:55am
The trendline behaves just like any other trendline in MT4. I don't think it is possible to change the way trendlines behave in MT4. Maybe changing the magnet sensitivity of MT4 will help. Tools->Options->Objects->

Quoting scottymoll
But then it wont snap to the close of the bar I'm trying to attach it to. I'm sorry, maybe I'm being too picky here. haha. I really do appreciate you posting the code and I will try to learn to modify it.
  • #18
  • Oct 3, 2011 9:00am Oct 3, 2011 9:00am
Here is an example of what I do. I just hate that I have to go into the trendline properties every time and adjust the second value so that I can get a straight line. Is there a way to code that price point to always correlate with the first price point to produce a horizontal ray?



Quoting Xaphod
The trendline behaves just like any other trendline in MT4. I don't think it is possible to change the way trendlines behave in MT4.
Attached Image (click to enlarge)
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  • #19
  • Edited 9:38am Oct 3, 2011 9:13am | Edited 9:38am
One could write an EA to continually check the trendlines with a specific name and adjust one price parameter to match the other. I don't know of any other way.

Quoting scottymoll
Here is an example of what I do. I just hate that I have to go into the trendline properties every time and adjust the second value so that I can get a straight line. Is there a way to code that price point to always correlate with the first price point to produce a horizontal ray?
  • #20
  • Oct 3, 2011 9:31am Oct 3, 2011 9:31am
So this is almost perfect, but I need to change point 2.

}
ObjectSet(sLineName, OBJPROP_TIME1, WindowTimeOnDropped());
ObjectSet(sLineName, OBJPROP_PRICE1, WindowPriceOnDropped());
if (LineType==OBJ_TREND) {
ObjectSet(sLineName, OBJPROP_TIME2, Time[0]);
ObjectSet(sLineName, OBJPROP_PRICE2, Bid);
}

This allows me to draw a ray from whatever point I specify, but as of right now, the 2nd point is automatically connected to the current bid. Can we somehow modify ...

ObjectSet(sLineName, OBJPROP_TIME2, Time[0]);
ObjectSet(sLineName, OBJPROP_PRICE2, Bid);

... so that it plots at the WindowTimeOnDropped price offset by +5 or whatever. This will always create a horizontal line right? I just don't know what the code would look like.


Quoting Xaphod
One could write an EA to continually check the trendlines with a specific name and adjust one price parameter to match the other. I do't know of any other way.
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