Private Sub Form_Load()
    Dim objApp As SolidEdgeFrameWork.Application
    Dim objDoc As SolidEdgeDraft.DraftDocument
    Dim objSheet As SolidEdgeDraft.Sheet
    Dim objCenterMarks As SolidEdgeFrameworkSupport.CenterMarks
    Dim objCenterMark As SolidEdgeFrameworkSupport.CenterMark
    Dim objAttributeSets As Object
    Dim objAttributeSet As Object
    Dim bAttribPresent As Boolean
    ' Report errors
    Const PI = 3.14159265358979
    ' Create/get the application with specific settings
    On Error Resume Next
    Set objApp = GetObject(, "SolidEdge.Application")
    If Err Then
        Err.Clear
        Set objApp = CreateObject("SolidEdge.Application")
        Set objDoc = objApp.Documents.Add("SolidEdge.DraftDocument")
        objApp.Visible = True
    Else
        Set objDoc = objApp.ActiveDocument
    End If
    'getting the Active Sheet object
    Set objSheet = objDoc.ActiveSheet
    ' Get the CenterMarks collection object on the active sheet
    Set objCenterMarks = objSheet.CenterMarks
    ' Create a CenterMark on the active sheet
    Set objCenterMark = objCenterMarks.Add(x:=0.25, y:=0.25, z:=0)
    'Get the AttributeSets collection
    Set objAttributeSets = objCenterMark.AttributeSets
    'Create an AttributeSet
    Set objAttributeSet = objAttributeSets.Add("MyAttrib Set1")
    ' Get the IsAttributeSetPresent property
    bAttribPresent = objCenterMark.IsAttributeSetPresent("MyAttrib Set1")
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objSheet = Nothing
    Set objCenterMarks = Nothing
    Set objCenterMark = Nothing
    Set objAttributeSets = Nothing
    Set objAttributeSet = Nothing
End Sub