Diagnosing UI Freezes from TThread.Synchronize Deadlocks in Delphi VCL
Diagnose and resolve UI freezes in Delphi VCL caused by TThread.Synchronize deadlocks. Learn to identify lock contention and replace blocking calls with TThread.Queue.
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delphiMarshalling UI Updates in Delphi: Synchronize vs Queue in Practice
When a Delphi worker thread touches UI controls you’ll get intermittent crashes. Use TThread.Queue for fire‑and‑forget updates and reserve TThread.Synchronize for blocking calls. This guide shows a concrete example, trade‑offs, and how to verify the RTL behaviour.