Determine if Sketch is Shared Example (VBA)
This example shows how to determine whether or not a sketch is shared 
 with multiple features.
 
'-----------------------------------------------
'
' Preconditions:
'       (1) 
 Part, assembly, or drawing document is open.
'       (2) 
 Sketch is selected.
'
' Postconditions: None
'
'-----------------------------------------------
Option Explicit
Sub main()
    Dim 
 swApp                           As 
 SldWorks.SldWorks
    Dim 
 swModel                         As 
 SldWorks.ModelDoc2
    Dim 
 swSelMgr                        As 
 SldWorks.SelectionMgr
    Dim 
 swFeat                          As 
 SldWorks.feature
    Dim 
 swSketch                        As 
 SldWorks.sketch
    Dim 
 i                               As 
 Long
    Dim 
 bRet                            As 
 Boolean
    Dim 
 vChildArr                       As 
 Variant
    Dim 
 vChild                          As 
 Variant
    Dim 
 swChildFeat                     As 
 SldWorks.feature
    
    Set 
 swApp = Application.SldWorks
    Set 
 swModel = swApp.ActiveDoc
    Set 
 swSelMgr = swModel.SelectionManager
    Set 
 swFeat = swSelMgr.GetSelectedObject5(1)
    Set 
 swSketch = swFeat.GetSpecificFeature2
    
    Debug.Print 
 "File = " & swModel.GetPathName
    Debug.Print 
 "  Sketch 
 = " & swFeat.Name
    Debug.Print 
 "    IsShared 
 = " & swSketch.IsShared
    
    vChildArr 
 = swFeat.GetChildren: If IsEmpty(vChildArr) 
 Then Exit Sub
    For 
 Each vChild In vChildArr
        Set 
 swChildFeat = vChild
    
        Debug.Print 
 "      " 
 & swChildFeat.Name & " 
 [" & swChildFeat.GetTypeName 
 & "]"
    Next 
 vChild
End Sub
'-----------------------------------------------