Origin property example

Sub Origin_Example()
' This example creates a UCS and returns its origin.
    Dim viewportObj As AcadViewport
    Set viewportObj = ThisDrawing.ActiveViewport
    ' Create a new UCS with origin 2, 2, 0
    Dim ucsObj As AcadUCS
    Dim origin(0 To 2) As Double
    Dim xAxisPoint(0 To 2) As Double
    Dim yAxisPoint(0 To 2) As Double
    origin(0) = 2: origin(1) = 2: origin(2) = 0
    xAxisPoint(0) = 3: xAxisPoint(1) = 2: xAxisPoint(2) = 0
    yAxisPoint(0) = 2: yAxisPoint(1) = 3: yAxisPoint(2) = 0
    Set ucsObj = ThisDrawing.UserCoordinateSystems.Add(origin, xAxisPoint, yAxisPoint, "UCS1")
    ThisDrawing.ActiveUCS = ucsObj
    viewportObj.UCSIconOn = True
    viewportObj.UCSIconAtOrigin = True
    ThisDrawing.ActiveViewport = viewportObj
    ' Display the current origin for the new UCS
    MsgBox "The origin of the UCS is: " & ucsObj.origin(0) & ", " & ucsObj.origin(1) & ", " & ucsObj.origin(2)
    ' Change the origin of the UCS
    origin(0) = 4: origin(1) = 4: origin(2) = 0
    ucsObj.origin = origin
    ' Reset the active UCS and viewport to see the change
    ThisDrawing.ActiveUCS = ucsObj
    ThisDrawing.ActiveViewport = viewportObj
    MsgBox "The origin of the UCS is now: " & ucsObj.origin(0) & ", " & ucsObj.origin(1) & ", " & ucsObj.origin(2)
End Sub