Tutorial by Examples

VB.NET offers default Form instances. The developer does not need to create the instance as it is created behind the scenes. However, it is not preferable to use the default instance all but the simplest programs. Public Class Form1 Public Sub Foo() MessageBox.Show("Bar") ...

Sometimes you might want to pass information that has been generated in one form, to another form for additional use. This is useful for forms that display a search tool, or a settings page among many other uses. Let's say you want to pass a DataTable between a form that is already open (MainForm) ...