Gets the list of named symbol sets installed with the application.
Symbol sets are used with the Symbol control. The 'Symbol Factory' symbol set offers over 4,000 professionally built vector objects.
Details of a specific symbol set can be accessed with a call to GetSymbolMap.
This example gets the list of installed symbol sets and displays the list in a message dialog.
var ss;
foreach (s in WV.GetSymbolSets())
ss += ss == null ? s : ", " + s;
WV.MsgBox("The following Symbol Sets are currently installed:\n" + ss);

