BTH_HCI_IOCTL_GET_LOOPBACK (Windows CE 5.0)
This IOCTL retrieves the loopback status.
Parameters
hDeviceContext
[in] Device context handle.fSelector
[in] Equals BTH_HCI_IOCTL_GET_LOOPBACK.cInBuffer
[in] Equals 0.pInBuffer
Not used.cOutBuffer
[in] Equals 4.pOutBuffer
[in] Must point to an aligned unsigned integer.[out] Gets loopback status.
pcDataReturned
[out] Equals cOutBuffer.
Return Values
If the call succeeds, the return value is ERROR_SUCCESS.
If the function fails, the following table shows a list of possible error values.
| Error value | Description |
|---|---|
| ERROR_INVALID_PARAMETER | Parameters are invalid (buffers are not properly sized). |
| ERROR_SERVICE_NOT_ACTIVE | HCI is not active or there is no hardware. |
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Bt_ddi.h.
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