Using Programming Languages other than VBA

Sub Example_LowerLeftCorner()
	' This example creates a new viewport and makes it active.
	' Then it splits the viewport into four windows.
	' It then finds the lower-left corner of each of the
	' windows.
	Dim newViewport As AcadViewport
	 
	' Create a new viewport and make it active
	Set newViewport = ThisDrawing.Viewports.Add("TESTVIEWPORT")
	ThisDrawing.ActiveViewport = newViewport

	' Split the viewport in four windows
	newViewport.Split acViewport4

	' Make the newly split viewport active
	ThisDrawing.ActiveViewport = newViewport

	' Iterate through the viewports. For each viewport,
	' make that viewport active and display the coordinates
	' of the lower left corner.
	Dim entry As AcadViewport
	Dim lowerLeft As Variant
	For Each entry In ThisDrawing.Viewports
		entry.GridOn = True
		ThisDrawing.ActiveViewport = entry
		lowerLeft = entry.LowerLeftCorner
		MsgBox "The lower left corner of this viewport is " & lowerLeft(0) & ", " & lowerLeft(1), , "LowerLeftCorner Example"
		entry.GridOn = False
	Next
End Sub