Auto-construction is not supported on this type of object. You can't use the New keyword on it.
Example of good usage: Dim x as new form1
Example of bad usage: Dim x as new Textbox1
In the base product: the keyword New can be used only on specific instances of form types (Form1, etc.). It cannot be used on the general class form or MDIform or on any control types. In the Visual Basic Professional Edition, there are some vt objects for which New is allowed.