GPS ToolKit Pro

GPS ToolKit Pro ActiveX makes it easy to add GPS support to any Visual Basic, Visual C++, Delphi, Excel, or scripting project that supports ActiveX controls. GPS Toolkit Pro gives you access to position, satellite, and navigation data, while GPS ToolKit Pro's multithreaded event-based architecture notifies your application when data has been updated.

GPS ToolKit Pro provides an intuitive interface that makes GPS data availible through straightforward properties, reads and plays back NMEA 0183 input files, notifies your application when fix, navigation, or status has been updated, reports position, altitude, speed, and distance in a number of formats and units. Multithreaded architecture keeps your GUI responsive during data reads.GPS ToolKit Pro comes with full example applications for Visual Basic, Visual C++ and Microsoft Excel. Source code available