ActiveX Control Development of Virtual Instrument Based on COM Technology

Focusing on the research of simulation system for virtual instrument and application of the status, this paper analyzes several third-party software platforms to develop interface for virtual simulation in the Windows environment, then evaluates and compares their performance. With an example of using GL Studio software, we introduce a generating ActiveX control method based on the use of photographs and the method of drawing dial with programming to achieve realistic, and develop ActiveX control of Virtual Instrument by the specific software modules of GL Studio. At the same time, we achieve the organic integration between virtual simulation software platform and third-party applications based on COM technology. The realization method is proved to have good real-time and versatility in an engine test system.