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Essential Delphi by Marco Cantu

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By Marco Cantu

Crucial Pascal is an advent to the fundamental positive factors of the Pascal language, as present in Delphi and different smooth improvement instruments, from the easiest promoting writer of studying Delphi.

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If you select Compile | Build All, instead, every file is compiled, even if it has not changed. This second command is seldom used, since Delphi can usually determine which files have changed and compile them as required. The only exception is when you change some project options. In this case you have to use the Build All command to put the new options into effect. The project lists the source code files that are part of it, and any related forms. This list is visible both in the project source and in the Project Manager, and is used to compile or rebuild a project.

You can simply type the name of an object, such as Button1, then add the dot, and wait: Button1. Delphi will display a list of valid properties and methods you can apply to the object. The time you have to wait before the list is displayed depends on the Code Completion Delay option, which you can configure in the Code Insight page. Ca, and then press Ctrl+SpaceBar to get the list immediately, but this time, the Wizard will try to guess which property or method you were looking for by looking at the characters you typed.

It should always be visible when you are editing a form, but it can also be useful to look at the names of components and properties while you are writing code. For this reason, the Object Inspector’s local menu has a Stay on Top command, which keeps the Object Inspector window in front of the Form Designer and the editor. In Delphi 5 and 6 the features of the Object Inspector have been largely extended, with grouping and hiding or little-used properties, interface references, showing of read-only properties, and many other features too complex to discuss here.

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