KSPROPERTY_TUNER_SCAN_STATUS_S structure (ksmedia.h)
The KSPROPERTY_TUNER_SCAN_STATUS_S structure describes status for a scanning operation.
Syntax
typedef struct {
KSPROPERTY Property;
TunerLockType LockStatus;
ULONG CurrentFrequency;
} KSPROPERTY_TUNER_SCAN_STATUS_S, *PKSPROPERTY_TUNER_SCAN_STATUS_S;
Members
Property
Specifies an initialized KSPROPERTY structure that describes the property set, property ID, and request type.
LockStatus
One of the following values from the TunerLockType enumeration that indicates the lock status of the scanning operation.
| Status | Meaning |
|---|---|
| Tuner_LockType_None (0x00) | The tuner is not locked on a signal. The driver can return this value at the end of a scan. |
| Tuner_LockType_Within_Scan_Sensing_Range (0x01) | The signal is nearby; however, the driver cannot report the exact frequency. |
| Tuner_LockType_Locked (0x02) | A fine-tune signal lock was established. The driver can return this value at the end of a scan. |
CurrentFrequency
The current locked-in frequency, in Hz, on the tuning device.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Vista and later versions of the operating system. |
| Header | ksmedia.h (include Ksmedia.h) |