Returns a numerical value indicating the size of the arrow contained in an arrow object with the specified ID number; . Arw_GetSize returns a value of -2 if the specified object ID number is invalid.
==:'''ObjectID''' - a numerical expression specifying the object ID number. == Notes ==== * An object-specific ID number is returned assigned by [[Arw_New]], [[Arw_New_s]], [[Arw_New_self]] or [[Arw_New_self_s]] when the arrow object is created.* Use [[Arw_GetActive]], [[Arw_GetFirst]] or [[Arw_GetNext]] to get the object-specific ID number of an already created arrow.
==== Example ====
Assign a value, indicating the size of the arrow in an arrow object with the ID number of 3, to Value1 variable: