Dim WithEvents uc1 As New UserControl1 With {.Parent = Me, .Top = 100, .Left = _
  10, _
    .Text = "UC1", .Visible = False, .BackColor = Color.White}
Dim WithEvents uc2 As New UserControl1 With {.Parent = Me, .Top = 100, .Left = _
  10, _
     .Text = "UC2", .Visible = False, .BackColor = Color.Gray}