Using Programming Languages other than VBA

Sub Example_UpperRightCorner()
	' This example creates a new viewport and makes it active.
	' Then it splits the viewport into 4 windows.
	' It then takes finds the upper right 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 4 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 upper right corner.
	Dim entry As AcadViewport
	Dim UpperRight As Variant
	For Each entry In ThisDrawing.Viewports
		entry.GridOn = True
		ThisDrawing.ActiveViewport = entry
		UpperRight = entry.UpperRightCorner
		MsgBox "The upper right corner of this viewport is " & UpperRight(0) & ", " & UpperRight(1), , "UpperRightCorner Example"
		entry.GridOn = False
	Next
End Sub