MC Arw GetActive

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Returns a numerical value indicating the arrow ID number of the currently selected arrow.

MC_Arw_GetActive returns a value of -1 if no arrows are currently selected.

Usage

MC_Arw_GetActive

Notes

Use Arw_GetActive, Arw_GetFirst or Arw_GetNext to get the object-specific ID number of earlier, already created arrows.
Use Arw_GetActive to get the object ID of the currently selected arrow.

Example

Assign a value, indicating the arrow ID number of the currently selected arrow, to Value1 variable:

Value1 = MC_Arw_GetActive;

At this link, there is an base logic that shows how this command can allow MC to receive interactive user input. You can adapt it to your specific needs. http://www.multicharts.com/discussion/viewtopic.php?f=5&t=7764