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This function is used to set the Bluetooth mode of operation and reflect it in the control panel. This function is also used to persist that state across hardware insertion and reboot.

int BthSetMode(
  DWORD dwMode 


  • dwMode
    [in] Indicates the mode of operation that the Bluetooth radio should be set to.

Return Values

Returns ERROR_SUCCESS on success or returns an error code on failure.


The possible values to pass in this function are defined in the BTH_RADIO_MODE enumeration. Use the BthGetMode function to retrieve the current mode of operation.


Pocket PC: Windows Mobile 2003 and later

Smartphone: Windows Mobile 2003 and later

OS Versions: Windows CE .NET 4.2 and later

Header: Declared in bthutil.h

Library: Use bthutil.lib

See Also

Bluetooth Application Development Functions | Changing the Bluetooth Radio Mode

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