Private Sub Form_Load()
    Dim objApp As SolidEdgeFramework.Application
    Dim objDoc As SolidEdgeDraft.DraftDocument
    Dim objSheet As SolidEdgeDraft.Sheet
    Dim objBounds As SolidEdgeFrameworkSupport.Boundaries2d
    Dim objBound As SolidEdgeFrameworkSupport.Boundary2d
    Dim dblPoint(1 To 8) As Double
    Dim dblX1 As Double, dblX2 As Double, dblY1 As Double, DblY2 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
    'getting the Boundaries2d object on the active sheet
    Set objBounds = objSheet.Boundaries2d
    ' Create a Points array
    dblPoint(1) = 0.1
    dblPoint(2) = 0.1
    dblPoint(3) = 0.1
    dblPoint(4) = 0.2
    dblPoint(5) = 0.2
    dblPoint(6) = 0.2
    dblPoint(7) = 0.2
    dblPoint(8) = 0.1
    ' Create a Boundary2d object
    Set objBound = objBounds.AddByPoints(PointCount:=4, Points:=dblPoint)
    'Get Centroid of the boundary
    Call objBound.GetCentroid(x:=dblX1, y:=dblY1)
    ' Move the boundry to a new location
    Call objBound.Rotate(Angle:=PI / 2, x:=0.2, y:=0.2)
    'Get Centroid of the boundary
    Call objBound.GetCentroid(x:=dblX2, y:=DblY2)

    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objSheet = Nothing
    Set objBounds = Nothing
    Set objBound = Nothing
End Sub