DEV_BROADCAST_PORT  7ZTMLX 

The DEV_BROADCAST_PORT structure contains information about a modem, serial, or parallel port.

typedef struct _DEV_BROADCAST_PORT { 
    ULONG dbcp_size;

    ULONG dbcp_devicetype;

    ULONG dbcp_reserved;

    char dbcp_name[1];

} DEV_BROADCAST_PORT;
typedef DEV_BROADCAST_PORT *PDEV_BROADCAST_PORT;
 

Members

dbcp_size

Size of this structure, in bytes.

dbcp_devicetype

DBT_DEVTYP_VOLUME.

dbcp_reserved

Reserved; do not use.

dbcp_name

Null-terminated string specifying the friendly name of the port or the device connected to the port. Friendly names are intended to help the user quickly and accurately identify the device for example,  COM1 ,  Hayes 2400 Smartmodem , and  LPT1  are considered friendly names.