GTK1 Interface

Introduction

The gtk1 widgetset is quite stable. There are still som bugs and missing properties.

The documentation can be found here.

The minimum Gtk 1 version supported is Gtk 1.2.18

Lazarus known issues (things that will never be fixed) - A list of interface compatibility issues
Win32/64 Interface - The Windows API (formerly Win32 API) interface for Windows 95/98/Me/2000/XP/Vista/10, but not CE
Windows CE Interface - For Pocket PC and Smartphones
Carbon Interface - The Carbon 32 bit interface for macOS (deprecated; removed from macOS 10.15)
Cocoa Interface - The Cocoa 64 bit interface for macOS
Qt Interface - The Qt4 interface for Unixes, macOS, Windows, and Linux-based PDAs
Qt5 Interface - The Qt5 interface for Unixes, macOS, Windows, and Linux-based PDAs
GTK1 Interface - The gtk1 interface for Unixes, macOS (X11), Windows
GTK2 Interface - The gtk2 interface for Unixes, macOS (X11), Windows
GTK3 Interface - The gtk3 interface for Unixes, macOS (X11), Windows
fpGUI Interface - Based on the fpGUI library, which is a cross-platform toolkit completely written in Object Pascal
Custom Drawn Interface - A cross-platform LCL backend written completely in Object Pascal inside Lazarus. The Lazarus interface to Android.

Android Programming - For Android smartphones and tablets
iPhone/iPod development - About using Objective Pascal to develop iOS applications
FreeBSD Programming Tips - FreeBSD programming tips
Linux Programming Tips - How to execute particular programming tasks in Linux
macOS Programming Tips - Lazarus tips, useful tools, Unix commands, and more...
WinCE Programming Tips - Using the telephone API, sending SMSes, and more...
Windows Programming Tips - Desktop Windows programming tips