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Comments closedTag: Xojo Programming Language
Sure you can create a Subclass of any Picture, Canvas or class and write code to center another Picture in its respective Graphics contexts. But taking the class extension approach means that you can reuse the same code for any of these (or any additional class) offering a Graphic context, so you can pass along the Picture you want to center and re-scale (if needed) in its area.
Comments closedThe Xojo Web Framework offers the WebLink class ready to use which handles showing the text with the proper visuals and the opening of the underlying URL in the browser. But if you need to have that feature on Desktop, it’s not that hard! Continue reading so I can show you one possible implementations to create your own LinkLabel class on Desktop.
Comments closedOften in our projects we need to apply some kind of validation of the user input so we get the data we are expecting. For example, getting a valid email addresses or URL. I want to share with you a couple of String Class extensions you can use to see (and conform) whether the user typed a valid email or URL, this is not a silver bullet (there are always exceptions), but it can save you some time now and in future projects.
Comments closedWith the RFC classes of the MBS Xojo Tools Plugin you can build RFC interfaces to SAP systems.
Comments closedAll of us are used to dealing with that web form where we select a country from a long, long list of more than 200 hundred countries. It would certainly be more useful, less stressful and a better usability practice to preselect the country name from the IP of the client visitor. Continue reading to learn how you can put a bit of intelligence into your web forms using a WebPopupMenu subclass.
Comments closedDepending on your style of coding the Enumeration Editor might be used regularly or not a lot. But, either way it probably contains a secret or two waiting for you.
Comments closedThe singleton design pattern has its place in the desktop environment where there will be only one user running the application, and when that user quits the app the singleton is destroyed. This doesn’t fit the requirements of a multi-user environment such as the web where many users will be accessing the application at once. I recently came across this issue when porting a desktop app to the web which required me to design a singleton class that is session sensitive. Here’s a walk through of how I achieved my goal. Please note that scopes are particularly important when creating this class.
Comments closedUPDATE 2024: Beginning with Xojo 2024r1, new and existing Xojo Lite licenses are version control ready. Plus, use Xojo’s free IDE to build Linux desktop and console apps without a license. Learn More
Xojo is an easy-to-use Integrated Development Environment (IDE) and programming language that allows you to create and deploy all kinds of native apps and solutions on Desktop (Windows, macOS, Linux), Web, iOS and Raspberry Pi with Android on the horizon.
We often get questions from newcomers about how Xojo licenses work and what license options available. Read on to learn what Xojo license is right for your needs. At the end, if you still aren’t sure what license is right for you, you can get in touch with us and we’ll help you get what you need.
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