Ray Konopka - Building custom Delphi components

Ray Konopka shares his expert process for building custom Delphi components. From choosing the right ancestor class to effective package design, this session covers the complete component development lifecycle with a detailed spinner control example.

0:00 Introduction and session overview
2:06 Agenda: Process, VCL foundation, anatomy, example, packages
4:50 The component development process
5:18 Why NOT to use the Component Expert
10:24 Demo: Building a simple TEmptyPanel component
18:00 VCL foundation: Choosing the right ancestor
19:09 T Component hierarchy explained
20:25 TComponent: Owner, ComponentsList, and ComponentState
22:57 The Loaded method and Notification
25:04 TControl: Parent property and ControlStyle
26:25 TGraphicControl: No window handle implications
28:32 TWindControl: Window handles and keyboard support
29:06 TCustomControl: Custom drawing capabilities
33:02 Demo: The RK Spinner control in action
34:18 Spinner control source code walkthrough
38:00 Package organization best practices
39:00 CRITICAL: Never use combined runtime/design packages
40:00 Registration unit structure
41:00 Runtime vs design package requirements
44:21 Where to install packages (paths and directories)
45:30 Wrap-up and Q&A

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Видео Ray Konopka - Building custom Delphi components канала GDK Software