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July 23, 1999

Understanding File Descriptors

When a program opens a file, the operating system returns a corresponding file descriptor that the program refers to in order to process the file. A file descriptor is a

Forward-Declaring I/O Classes and Templates

The standard header contains forward-declarations of the I/O classes and templates. This header is sufficient to refer to any of the I/O classes and templates but not to apply operation

Overloading the Function Call Operator

Overloading the function call operator can be somewhat confusing because the overloaded operator has two pairs of parentheses. It may not be immediately obvious which of these pairs declares the

Q&D Zoom Using Forms 2.0 Designer

How would you like to be able to make a form automatically resize and reposition all its controls and fonts whenever you resize the form? How would you like to

Special Effects with Forms 2.0 Designer

Forms 2.0 Designer provides a variety of special visual effects. Your forms can have flat, raised, sunken, etched, or bumpy background textures. You can also have the background picture tile,

Roll-Your-Own Decimal Entry Filter

Here’s an easy method for making sure your users enter only numeric data, and only one decimal point. First, place two Public procedures in a standard module. You can use