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In order for a program to work with a file on the computer’s disk, the program’s code must create a file object in memory.

Any data the user enters into a TextBox control is stored in the control’s Text property as a string, even if it is a number.

A binary file may be opened and viewed in a text editor such as Notepad.

There are always three steps that must be taken when a file is used by a program: opening the file, processing the file, and closing the file.

If the expression on the left side of the || operator is true, the expression on the right side is not checked.

Check boxes are similar to radio buttons in that they are both mutually exclusive.

The only way to run a program in Visual Studio is to click the Start Debugging button on the toolbar.

A Label control’s Text property is initially set to the same value as the Label control’s name.

When you use the Properties window to change a control’s Visible property at design time, the control will become invisible in the Designer.

A control’s Visible property cannot be modified in code.