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 objLine As SolidEdgeFrameworkSupport.Line2d
    Dim objCMAxis As SolidEdgeFrameworkSupport.Line2d
    ' 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
    Set objSheet = objDoc.ActiveSheet
    ' getting the CenterMarks collection object on the active sheet
    Set objCenterMarks = objSheet.CenterMarks
    ' drawing a line on the active sheet
    Set objLine = objSheet.Lines2d.AddBy2Points(x1:=0.25, y1:=0.1, x2:=0.5, y2:=0.25)
    ' setting the Axis of the CenterMarks collection object
    objCenterMarks.Axis = objLine
    ' getting the Axis object of the CenterMarks collection object
    Set objCMAxis = objCenterMarks.Axis
    ' clearing the Axis of the CenterMarks object
    Call objCenterMarks.ClearAxis
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objSheet = Nothing
    Set objCenterMarks = Nothing
    Set objLine = Nothing
    Set objCMAxis = Nothing
End Sub