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gui

Graphical user interface development

ProgrammingJScrollPane Scroll to Top in JDialog: Java Swing Fix

Learn how to programmatically scroll a JScrollPane to the top in a JDialog with Java Swing. Fix timing issues using SwingUtilities.invokeLater, viewport.setViewPosition, and complete code examples for reliable scrolling.

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ProgrammingFix TTK Treeview Previous Item on Button-1 Click Tkinter

Why does ttk.Treeview show previous item's text on Button-1 click? Learn event timing issues in Tkinter Treeview and fixes like <<TreeviewSelect>>, ButtonRelease-1, identify_row, after_idle for instant selection updates.

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ProgrammingUsing GTK4/libadwaita with Mojo: GUI Options

Can you use GTK (GTK4/libadwaita) for Mojo GUI development? No native support—use C FFI, embed Python PyGObject, or IPC. Guides, examples, pitfalls, and alternatives like mojo-qt.

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ProgrammingCustom ListBox in C# WinForms: Owner-Drawn Guide

Learn how to create a custom ListBox in C# WinForms using Visual Studio 2022 for music players. Enable owner-drawn mode, handle DrawItem event, add MP3 metadata, album art, and selections beyond basic BackColor changes.

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ProgrammingFix QOpenGLWidget Flicker in PySide6 Layouts

Embed QOpenGLWidget in PySide6 layouts without flickering on resize or idle. Step-by-step fixes, working code example, platform tips for Linux/Windows, and Qt bug workarounds using attributes and QSurfaceFormat.

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ProgrammingKivy RecycleView Dynamic Attribute Updates: Canvas Instructions Guide

Learn how to correctly update element attributes in Kivy RecycleView to prevent canvas instructions from being applied to wrong elements during scrolling. Comprehensive tutorial with code examples.

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