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 objCircle As SolidEdgeFrameworkSupport.Circle2d
    Dim dblXmin As Double, dblXmax As Double, dblYmin As Double, dblYmax As Double
    ' 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
    ' Creating a Circle to the active sheet
    Set objCircle = objSheet.Circles2d.AddByCenterRadius(x:=0.25, y:=0.25, Radius:=0.05)
    ' Get the CenterMarks collection object on the active sheet
    Set objCenterMarks = objSheet.CenterMarks
    ' Create a CenterMark on the active sheet
    Set objCenterMark = objCenterMarks.AddByCenter(CenterObject:=objCircle, x:=0.25, y:=0.5, z:=0, Keypoint:=True)
    ' Get the range
    Call objCenterMark.Range(XMinimum:=dblXmin, YMinimum:=dblYmin, XMaximum:=dblXmax, YMaximum:=dblYmax)
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objSheet = Nothing
    Set objCenterMarks = Nothing
    Set objCenterMark = Nothing
    Set objCircle = Nothing
End Sub