Arw GetActive: Difference between revisions
From MultiCharts
no edit summary
(Created page with "Returns a numerical value indicating the object ID number of the currently selected arrow object; returns a value of -1 if no arrow objects are currently selected. ==== Usag...") |
No edit summary |
||
(5 intermediate revisions by 3 users not shown) | |||
Line 1: | Line 1: | ||
Returns a numerical value indicating the object ID number of the currently | Returns a numerical value indicating the object ID number of the currently active arrow object. | ||
Arw_GetActive returns -1 if no arrow objects are currently selected or were added to a chart yet. | |||
If an active arrow drawing object is removed from a chart then Arw_GetActive returns -1. | |||
If an inactive arrow drawing object is removed from a chart then Arw_GetActive returns the object ID number of the currently active arrow object. | |||
== Usage == | |||
<syntaxhighlight> | <syntaxhighlight> | ||
Arw_GetActive | Arw_GetActive | ||
</syntaxhighlight> | </syntaxhighlight> | ||
== Notes == | |||
An object-specific ID number is assigned by Arw_New when the arrow object is created. | * An object-specific ID number is assigned by [[Arw_New]], [[Arw_New_s]], [[Arw_New_self]] or [[Arw_New_self_s]] when the arrow object is created. | ||
* Use [[MC_Arw_GetActive]] to get the '''arrow ID''' number of the currently selected arrow. | |||
== Example == | |||
Assign a value, indicating the object ID number of the currently selected arrow object, to Value1 variable: | Assign a value, indicating the object ID number of the currently selected arrow object, to Value1 variable: | ||
<syntaxhighlight> | <syntaxhighlight> | ||
Value1=Arw_GetActive; | Value1 = Arw_GetActive; | ||
</syntaxhighlight> | </syntaxhighlight> | ||
[[Category: | [[Category:ArrowDrawing]] |