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Editorial Team
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Asked: 2026-05-11T19:12:51+00:00

I need to connect to a Bluetooth device through virtual COM port created in

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I need to connect to a Bluetooth device through virtual COM port created in Windows. It’s easy when the port has been already created during manual pairing procedure. But I would like my application to relieve an user from the manual pairing of a device. I would like to present all devices in the range, allow user to chose one, and then create virtual COM port connected with the selected device. I’m not trying to avoid the pairing procedure itself, but rather I would like to invoke it by my application.

I started getting familiar with Microsoft Bluetooth API. And then some doubts arose. I’ve been wondering what happen if some user would use different (than Microsoft’s) Bluetooth stack? Is the Microsoft’s API the real Bluetooth API, which have to be implemented by any other Bluetooth stack provider? Or rather each provider has its own API, and the Microsoft’s is only one of many other?

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1 Answer

  1. Editorial Team

    Thanks everyone for valuable input. I’d like to summarize what I’ve found so far. The Microsoft Bluetooth API is not operating system API. Application written against it will not cooperate correctly with any other Bluetooth stack. It seems that applications which are intended to cooperate with multiple stacks need to provide some stack abstraction layer, and stack specific code for all of them.The other solution is to allow user for manual pairing of the Bluetooth device, which eventually create some virtual device in the operating system (e.g., COM port). Then the application can use standard interface of such a device.

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