Microsoft Visual Basic 2008 - Chapter 11: Multiple Classes and Inheritance

Select the object that will be selected when program execution begins. In the example, this is the txtStudentID MaskedTextBox object. Scroll in the Properties window until the TabIndex property is visible and then double-click in the right column of the TabIndex property
Type 1 and then press the ENTER key
Select the object which should be selected when the user presses the Tab key. In the sample program, the txtStudentName TextBox object should be selected. Double-click the right column of the TabIndex property for the txtStudentName TextBox object, type 2 and then press the ENTER key.