Jan Hlavenka

Author Homepage: http://jan.hlavenka.cz

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Create feature-rich windows applications with many new components and universal dialogs.

  • improved DBGrid
  • new DBRecordView, DBTreeView
  • toolbars and db dialogs to Find, Filter, Sort, Export, Print...
  • StringGrid with columns definition
  • GroupBox with automatic alignment and resizing of owned controls

And many more from $25 to $95 only - details here

Author Products

Total 3 products

JanH ComboBox v.1.0

Components > List and Combo Boxes > Enhanced List and Combo Boxes

By Jan Hlavenka.

Freeware + source 28 Feb 2003


Enhanced ComboBox with 2 lists, where 1 list is shown in ComboBox and second is used as data source.

Functions: Sort, SaveToFile, LoadFromFile, etc.


  • Status: Fully functional
  • Source: Included
  • Exe demo: included
  • Size: 211kB

Platforms: D4, D5, D6, D7

JanH DBGrid v.1.2

DB-Aware Components > Visual > Grids

By Jan Hlavenka.

Freeware + source 01 Jul 2006


Modified DBGrid. Defined OnMouseWheelUp and OnMouseWheelDown event and corrected response. Added MoveByRows - number of rows moved by mouse wheel.

Added Selection Color, Font Selection Color, Active Color, Font Active Color and fixed problem with multiselect.


  • Status: Fully functional
  • Source: Included
  • Size: 16kB

Platforms: D4, D5, D6, D7

JanH WinTab v.1.1

Components > System > Other Hardware

By Jan Hlavenka.

Freeware + source 31 Mar 2003


JanH_WinTab is encapsulation of WinTab32.dll defined on www.pointing.com (specification 1.1) for Borland Delphi.

Details: All functions of WinTab enviroment are accessible from component.

All events: OnStart, OnStop, OnPacket, OnCSRChange, OnContextOpen, OnContextClose, OnContextUpdate, OnContextOverlap, OnProximity, OnInfoChange.

Specification 1.1 ready. Just 32bit version. Easy to use. Just set Active to true and start reading packets, identify all buttons type, using eraser, and many more...


  • Status: Fully functional
  • Source: Included
  • Size: 27kB

Platforms: D4, D5, D6, D7

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