I want to know Which event fires when vb.net form lost it's focus? I am using Krypton Navigator.

I am using the following code to show a form.
private sub showForm(byval pform as form

Dim kryPage As New KryptonPage

Me.kryNavi.Pages.Add(kryPage)

With pform

.TopLevel = False

.Parent = kryPage

.Dock = DockStyle.Fill

.BringToFront()

.Show()

.Activate()

End With

end sub

I am using the above code to show a form.