how to draw an arrow indicator on the chart?
Jun 29, 2015 at 14:54
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4 Replies
Jun 29, 2015 at 14:54
hi guys, i just turned to calgo from mt4 platform. While recently i wanna to write a little simple arrow indicator just like the 'fractal indicator' in mt4/5, which would draw a series of arrows on the chart to show the potential entry points. However there is no such an 'arrow type' in the class PlotType in cAlgo.API. How am i going to build such an indicator? i would really appreciate your advice😳.😳😳
Jun 30, 2015 at 13:36
yourne posted:
hi guys, i just turned to calgo from mt4 platform. While recently i wanna to write a little simple arrow indicator just like the 'fractal indicator' in mt4/5, which would draw a series of arrows on the chart to show the potential entry points. However there is no such an 'arrow type' in the class PlotType in cAlgo.API. How am i going to build such an indicator? i would really appreciate your advice😳.😳😳
//update in 6.30
well i found that to draw a histogram line in the specific bar on the main chart basically equals drawing an arrow in the same position. but when i add an chart instance, the scale just went extremely wrong, no matter what value i set to the histogram.
Jun 30, 2015 at 23:32
SetIndexStyle(0,DRAW_ARROW); //,STYLE_SOLID,4);
SetIndexBuffer(0,SigArrow00);
SetIndexStyle(1,DRAW_ARROW); //,STYLE_SOLID,4);
SetIndexBuffer(1,SigArrow10);
the trick is to put a switch in that only shows Arrow on a signal and not every bar.
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