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PSetting Overview & Usage: How It Works
Simply drop a PFormSettings component onto your form at design time to
get started.  PFormSettings manages all form-related state information. The
PAppSettings component is used to store application-wide state information
and will be discussed later.
How does it work? PSetting uses Delphi-provided run-time type information (RTTI)
to monitor the state of your application's forms and components. At design time, you
select which properties of your application you want PSetting to maintain. Just
double-click the PFormSettings component and make a few selections to enhance your
application. The component editor lists all the components on the form and their
properties. You may choose as many items as you like. In the sample shown at the right,
the programmer has just selected to save the ActivePage property of the
TPageControl component named PageControl1. This simple selection
causes the application to remember which page is selected in the application and
to restore that when the application is run the next time.
Because PSetting uses RTTI, it can maintain any published property of any component
made by any vendor. PSetting also allows you
to maintain important hidden properties of components. Hidden properties are discussed
later.
Now that you know how PSetting works, continue reading to find out more about
what it can do for you.
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To continue reading the PSetting Overview & Usage
articles, use the buttons at the right to move to the previous article or the
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