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How do I determine the type of a control on a Windows Form in VB.NET?

How do I determine the type of a control on a Windows Form in VB.NET?
The VB.NET TypeName function will return the name of a control as a string. The typeof operator allows you to compare an unknown type with a known type. Both are shown here:

Private Sub Form1_Load(...) Handles MyBase.Load
  MessageBox.Show(TypeName(cboStart))
  If (TypeOf (cboStart) Is ComboBox) Then
    MessageBox.Show("It's a combo box all right...")
  End If
End Sub
 

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