GUI

Non-GUI Mode Execution for Real Load Tests

Learn why production JMeter load tests must run in non-GUI (CLI) mode and how to configure command-line execution and reporting correctly.

The JMeter GUI: Test Plan Structure

A tour of the JMeter GUI and the hierarchical Test Plan tree — Thread Groups, Samplers, Listeners, Configuration, and Assertion elements — and how they execute…

Building GUI Apps with Lazarus

Learn how to build cross-platform desktop applications in Free Pascal using the Lazarus IDE, the LCL component library, and event-driven programming.

Building a Simple GUI App in Tk

A hands-on walkthrough of the widget-creation, layout, and event-handling steps needed to build a working Tk desktop app.