Private Sub Form_Load()
    Dim objApp As SolidEdgeFrameWork.Application
    Dim objDoc As SolidEdgeDraft.DraftDocument
    Dim objSheet As SolidEdgeDraft.Sheet
    Dim objLine1 As SolidEdgeFrameworkSupport.Line2d
    Dim objLine2 As SolidEdgeFrameworkSupport.Line2d
    Dim objDimension As SolidEdgeFrameworkSupport.Dimension
    Dim bDisplayHalf 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
    'create line2d
    Set objLine1 = objSheet.Lines2d.AddBy2Points(0.2, 0.35, 0.2, 0.4)
    Set objLine2 = objSheet.Lines2d.AddBy2Points(0.25, 0.35, 0.25, 0.4)
    'create a dimension
    Set objDimension = objSheet.Dimensions.AddSymmetricalDiameter _
                       (Object1:=objLine1, x1:=0.2, y1:=0.35, z1:=0, Keypoint1:=True, _
                        Object2:=objLine2, x2:=0.25, y2:=0.35, z2:=0, Keypoint2:=True)
    'get the boolean property DisplayHalf
    bDisplayHalf = objDimension.DisplayHalf
    'set the boolean property DisplayHalf
    objDimension.DisplayHalf = True
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objSheet = Nothing
    Set objDimension = Nothing
    Set objLine1 = Nothing
    Set objLine2 = Nothing
End Sub