BTH_LE_GATT_CHARACTERISTIC structure (bthledef.h)
The BTH_LE_GATT_CHARACTERISTIC structure describes a Bluetooth Low Energy (LE) generic attribute (GATT) profile characteristic.
Syntax
typedef struct _BTH_LE_GATT_CHARACTERISTIC {
USHORT ServiceHandle;
BTH_LE_UUID CharacteristicUuid;
USHORT AttributeHandle;
USHORT CharacteristicValueHandle;
BOOLEAN IsBroadcastable;
BOOLEAN IsReadable;
BOOLEAN IsWritable;
BOOLEAN IsWritableWithoutResponse;
BOOLEAN IsSignedWritable;
BOOLEAN IsNotifiable;
BOOLEAN IsIndicatable;
BOOLEAN HasExtendedProperties;
} BTH_LE_GATT_CHARACTERISTIC, *PBTH_LE_GATT_CHARACTERISTIC;
Members
ServiceHandle
The handle to the Bluetooth LE GATT profile service.
CharacteristicUuid
The Universally Unique ID (UUID) of the characteristic.
AttributeHandle
The handle to the Bluetooth LE GATT profile attributes.
CharacteristicValueHandle
The handle to the Bluetooth LE GATT profile characteristic value.
IsBroadcastable
The characteristic can be broadcast.
IsReadable
The characteristic can be read.
IsWritable
The characteristic can be written to.
IsWritableWithoutResponse
The characteristic can be written to without requiring a response.
IsSignedWritable
The characteristic can be signed writable.
IsNotifiable
The characteristic can be updated by the device through Handle Value Notifications, and the new value will be returned through the callback function registered via BluetoothGATTRegisterEvent.
IsIndicatable
The characteristic can be updated by the device through Handle Value Indications, and the new value will be returned through the callback function registered via BluetoothGATTRegisterEvent.
HasExtendedProperties
The characteristic has extended properties, which will be presented through a Characteristic Extended Properties descriptor.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Versions:_Supported in Windows 8 |
| Header | bthledef.h (include BthLEDef.h) |
See also
BluetoothGATTGetCharacteristicValue