IPWorks BLE 2020 ActiveX Edition

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ActiveScanning Property

Whether to use active scanning.



Default Value



When enabled, the control will instruct the system to use active scanning rather than passive scanning, at the cost of higher power consumption.

Active scanning causes the system's BLE API to request a scan response packet for each advertisement received, which in turn means that you will be able to get more information from devices without connecting to them.

The tradeoff is that enabling this feature increases power consumption for both the client and server, but if your use-case doesn't call for ever actually connecting to the devices (which itself can be a power-intensive operation), then that tradeoff might be mitigated.

Note that you cannot change the value of the ActiveScanning property if the control is already scanning.

Active Scanning

// Enable active scanning.
bleclient1.ActiveScanning = true;
// ...

This property is not available at design time.

Data Type


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IPWorks BLE 2020 ActiveX Edition - Version 20.0 [Build 8162]