PTC Modeler Script to Recursively Populate Nested Classes

PTC Modeler Script
This is a sample script that uses a PTC Modeler diagram to automatically layout nested classes.

#--------------------
# Diagram Formatting:
# Recursively Populate Nested Classes
#--------------------
 Set oSymbol=Projects.Item("Active Symbol")
 Set oTopReqt = oSymbol.Item("Dict Item")
 Position = oSymbol("Position")
 Pos=Split(Position,",")
 X=CLng(Pos(0))
 Y=CLng(Pos(1))
 Try oSymbol, oTopReqt, X, Y
 
Sub Try(oSymbol,oReq, X, Y)
 X=X+500
 Set oSubReqs = oReq.Items("Contained Class")
 For Each oSubReq In oSubReqs
    Y=Y+350
    ActiveProject("Transaction")="Begin"
    Set oSubSymbol = oSymbol.Item("Diagram").Add("CD Class")
    oSubReq.Add "CD Class",oSubSymbol
    Studio.DisplayOutputWindowMessage CStr(X)&","&CStr(Y)+vbNewline
    oSubSymbol("Position")=CStr(X)&","&CStr(Y)
    Set oLine = oSymbol.Item("Diagram").Add("CD Contained Class Link")
    oSubSymbol("Width")="900"
    oSubSymbol("Height")="300"
    oLine.Add "Contained Class Symbol",oSubSymbol
    oLine.Add "Containing Class Symbol",oSymbol
    oLine("Waypoints")=CStr(X-250)+","+CStr(Y+100)
    ActiveProject("Transaction")="Commit"
    Try oSubSymbol,oSubReq,X,Y
 Next
 X=X-500
End Sub