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Wrapping Up

The chart application shows how straight-forward it is to create applications and their dialogs with Qt. Creating menus and toolbars is easy and Qt's signals and slots mechanism considerably simplifies GUI event handling.

Manually creating layouts can take some time to master, but there is an easy alternative: Qt Designer. Qt Designer includes simple but powerful layout tools and a code editor. It can automatically generate main.cpp and the .pro project file.

The chart application is ripe for further development and experimentation. You might consider implementing some of the following ideas:

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Qt 3.3.6