I am writing a MDI program and I need to know how I can get the index of a MDI Child Form. Is there any possible way to do this in VB.NET 2005?

Creating the MDI Child Code:
  1. Dim save As New frmSave

  2.             save.txtExt.Text = ".txt"

  3.             save.MdiParent = MdiParent

  4.             save.Show()

NOTE: The form that this code is coming from is not the MDI Container.

Thank you for your help!