Category Archive for: The Multiple Document Interface

Implementing Scrolling Forms

One of the shortcomings of regular Visual Basic Forms is that they can’t be scrolled. If you resize a fairly long Form to make room on your Desktop, you’ll see only part of the Form (its upper-left comer is always shown). Ideally, a pair of scroll bars should be attached. to the Form automatically to help the user…

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Accessing ChiId Forms

Visual Basic is an object-oriented language and most of the applications developed with it work by manipulating the values of objects or invoking the methods of the various objects to perform certain tasks. Recall that an object is the instance of a control or Form. Not surprisingly, a fundamental concept in the design of MDI applications is that of…

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MDI Applications: The Basics

An MDl application must have at least two Forms, the parent Form and one or more child Forms. Each of these Forms has certain properties. There can be many child Forms contained within the parent Form, but there can be only one parent Form. The parent Form may not contain any controls. While the parent Form is…

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The Multiple Document Interface

The Multiple Document Interface (MDl) was designed. to simplify the exchange of information among documents, all under the same roof. With an MDl application, you can maintain multiple open windows, but not multiple copies of the application. Data exchange is easier when you can view and compare many documents simultaneously. You almost certainly use Windows applications that can open…

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