Using Programming Languages other than VBA

Sub Example_SupportPath()
	' This example returns the current setting of
	' SupportPath. It then changes the value, and finally
	' it resets the value back to the original setting.

	Dim preferences As AcadPreferences
	Dim currSupportPath As String
	Dim newSupportPath As String

	Set preferences = ThisDrawing.Application.preferences

	' Retrieve the current SupportPath value
	currSupportPath = preferences.Files.SupportPath
	MsgBox "The current value for SupportPath is " & currSupportPath, vbInformation, "SupportPath Example"

	' Change the value for SupportPath
	newSupportPath = "TestSupportPath"
	preferences.Files.SupportPath = newSupportPath
	MsgBox "The new value for SupportPath is " & newSupportPath, vbInformation, "SupportPath Example"

	' Reset SupportPath to its original value
	preferences.Files.SupportPath = currSupportPath
	MsgBox "The SupportPath value is reset to " & currSupportPath, vbInformation, "SupportPath Example"
End Sub