| Microsoft DirectX 8.1 (C++) |
The get_DevicePort method retrieves the communication port to which the external device is connected.
Syntax
HRESULT get_DevicePort(
long *pDevicePort
);
Parameters
pDevicePort
[out] Pointer to a long integer that receives one of the following values, indicating the port to which the device is connected:
| Value | Description |
| DEV_PORT_1394 | IEEE 1394 Bus |
| DEV_PORT_ARTI | ARTI driver |
| DEV_PORT_COM1 | COM1 |
| DEV_PORT_COM2 | COM2 |
| DEV_PORT_COM3 | COM3 |
| DEV_PORT_COM4 | COM4 |
| DEV_PORT_DIAQ | Diaquest driver |
| DEV_PORT_SIM | Simulation port |
| DEV_PORT_USB | Universal Serial Bus |
Return Values
When this method succeeds, it returns S_OK. Otherwise it returns an HRESULT error code.
DV Implementation
For DV camcorders, the method returns the value DEV_PORT_1394.
See Also