Sean Adams

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Professional set of Delphi and C++Builder components for virtual instrumentation

  • Meters, Bars (Gauge), with linear or log(10) scaling
  • Digital indicators (time, value)
  • Operating Point display
  • Dial (knob), Sliders, Trend/Recorder
  • buttons, switches, LED indicators
  • DB-Aware components and many more
Author Products

Total 1 product

TOnlyOpenOnce v.2.0

Components > System > Instance

By Sean Adams.

Freeware + source 03 Jul 1997


Drop this on the main form of your app, and only one copy will be able to be loaded. Win32 safe, and it uses fileMappings so it can be used in a truly multitasking environment.


  • Status: Fully functional
  • Source: Included
  • Size: 4kB

Platforms: D2