Attach customer indicator to visible object

 
I have coding some indicators use "#property indicator_chart_window" but not using indicator_buffers, their just create and move some object on the chart.
I think it's useful to to make the indicator visible on the chart, this can be done by attach the indicator to the object which created in the indicator script, e.g. use an function: "AttachToObject". if this function is realized, then we could be aware of the indicator is running by seeing the object on the chart, and we can drop the object , on the same time, the indicator be removed also.
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