Simply C#

A class must be before objects of that class can be created.

The view allows you to set the TabIndex properties for controls by clicking the controls on the Form.

TabIndex values for controls in a container, such as a Form or GroupBox, must be .

Access keys allow the user using the keyboard.

The character specified as the access key for a control is .

enables the ArrayList object to increase its size to accommodate new elements and to decrease its size when elements are removed.

Class ArrayList belongs to the namespace.

Each time you add an object to an ArrayList using the method, the object is added to the of the list.

The method returns a value representing the object on which it is called as text.

If the variable type of the element in a foreach statement cannot be converted to the same variable type as the collection's objects, .

The event is raised when the value selected in a ComboBox changes.