Encrypt and decrypt files
Hi all, I would like to make a small app where I can write some text, then encrypt it, and store it in a file. Then close the app, reopen the app, load the file, decrypt it, edit it, and store it...
View Article5 Tips for Optimizing Your Xojo Apps for Performance
Originally published at: 5 Tips for Optimizing Your Xojo Apps for Performance – Xojo Programming Blog Performance can be a make-or-break feature for any application, especially when users expect...
View ArticleUsing the profiler - no Profiles section in the Navigator
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View ArticleChange the font size for all objects
How do you change the font size for all objects on one screen in Xojo Web? I want to ask the forum for different ideas on how to solve this problem. Take note. Do not apply to the entire project. The...
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Drag Reordering DesktopListbox
I have a few questions about reordering desktop listbox control (so API 2) using Xojo 2024r4.2. I have drawn my own disclosure triangles but the checkboxes and the drop indicators do not respect the...
View ArticleChatGPT 4o
I’ve been using chatGPT for a while to help code and debug SQL statements with a lot of JOINs - really helpful. I had thought that it wasn’t up to scratch for Xojo based on the forum last year but I...
View ArticleXojo Meeting in Austin, Texas? 2025
Hello everyone, I am coming to Austin in late March 2025 and I may organize a casual get-together with Xojo developers. Something like a meet-up for dinner in a restaurant to talk about Xojo. But I’d...
View ArticleFloating windows on Linux
Bonjour, After searching on the forum, I tried to use “gtk_window_set_keep_above” to have floating windows under Linux. I’m using Ubuntu via Parallels on a MacBook Pro M3. And my floating window...
View ArticleApp Wrapper does not like DMGCanvas template anymore
Using AppWrapper 4.8 (252) on an M1 Mac running Sequoia 15.3.1, I was yesterday greeted with one AppWrapper document not readable anymore. I tried to replace it with an older version from TimeMachine,...
View ArticleSlowness of listbox.addrow() on WIndows
Observing that the WIndows version of my app took a while to load up a listbox, I did some profiling and then closer (within a method) inspection of timings, which pointed the finger at...
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PEPPOL ... oh boy .. developers possible hell
PEPPOL … another hill we have to overcome (At least in Europe). From 1 January 2026, all B2B invoices must be sent via PEPPOL. This has a lot of implications for developers who sell via a re-seller...
View ArticleHow to split a string into an array of words that ignores text direction
I have method that splits a string into words and then draws those words, one at a time, in a listbox CellTextPaint event. Like var s as string = "Hello World" var a() as string = s.split(" ") //a(0)...
View ArticleBLE - RaspPi - XOJO?
I just ended an I2C effort of a RaspPi project and need to replace I2C with BLE. In hind sight I probably should have started with BLE due to the scope of this project. However the first part of the...
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How to upgrade Xojo under Ubuntu?
Can anyone tell me if the “Install” button works under Ubuntu? I want to upgrade from Xojo 2024r3 to Xojo 2024r4.2 (the latest) but when I click the “Install” button the progress indicator just goes...
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Tab Order mystery - how to debug? 2024 R4.2
I have a few controls on the 2nd Tab of a WebTabPanel, and as I tab thru the running app the focus disappears to (what I suspect was) a control on the 1st Tab, then back to the 2nd Tab where the tab...
View ArticleVerical Web Toolbar?
Hello all, Is there a web vertical toolbar in xojo? If so where can I find it? I tried using the std toolbar and change its shape to a vertical. but it only shows the first button. If there isn’t one...
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Declare maker update
Hey all, I pushed some updates to my DeclareMaker code assistant last night: Formatted some methods with proper indents for easier debugging Fixed a case where it wasn’t handling whitespace between a...
View ArticleReferencing External Libraries
Hello: I have a few external classes (written in Xojo) that I would like to combine into a single library such that I can somehow reference that library in different Xojo desktop applications. I am...
View ArticleValentina Release 15.0.1 updates Valentina Database ADK for Xojo, Valentina...
Valentina Release 15.0.1 adds several fixes and improvements including: [SQL] Support added for SQL function ‘LIST_SORT ( String )’ *[Linux] – Qt 6.8.2 framework in Valentina Studio *[SQL/Data Editor]...
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