News
Keep up with all that’s fresh in the world of Delphi and Kylix: exciting new products and services for our favourite development tools.
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Nested SAX
Keith Wood knows that  SAX provides a simple way to quickly parse an XML document and extract items of interest from within it. By applying some design patterns he shows how you can simplify the coding for handling individual tags. He argues that individual tag handlers are tightly focused on their one element type, are simpler in structure and for maintenance, and may evolve independently of each other. Could this way of working with SAX be your pattern for the future?
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Filling A TreeView With Hierarchical Data
Marc Scheuner has found that although end-users love TreeViews, they are not always quite as easy for the programmer: you need to either use some kind of iteration to fill one level at a time, always remembering (or finding) the parent node again when starting to add child nodes, or you fill the tree recursively, from a given set of data, which has risks and pitfalls. In this article Marc takes the standard .NET TreeView control and extends it in three ways: to facilitate the loading of data from an XML file, from a self-referencing data table, and from a DataSet containing related tables of data.
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Logging With Log4Net
Pedro Agulló Soliveres explains how the free Log4Net utility code can make logging from your .NET apps simple, flexible and very powerful. So maybe now is the time to forsake logging with all those messy WriteLn statements?
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Under Construction: Building SharePoint 2003 Web Parts
Bob Swart explains what Windows SharePoint Services 2003 is all about and shows how Delphi 2005 can be used to implement Web Parts that can be added to SharePoint workspaces, allowing us to customise the SharePoint tools and technologies with Delphi code and components. He covers both simple and more complex Web Parts, using properties, events, child controls and even a provider-consumer model, as well as deployment and security details.
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Dependency Injection
Julian Bucknall discusses dependency injection: a design/development methodology which provides a way of creating small classes that interact but that don’t have to know an awful lot about each other.
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Review: Capture Me If You Can
Richard Stevens looks at SnagIt and Camtasia Studio, two tools from TechSmith which help you capture images and animated videos of your screens for support and training purposes.
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The Delphi Clinic
Brian Long with more answers to your own queries on Delphi and Kylix, including: a singleton problem, how to speed up Delphi 2005 (by turning off unwanted functionality), various other Delphi 2005 issues, and overcoming some tricky COM errors.
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