DEV_BROADCAST_HANDLE structure (dbt.h)
Contains information about a file system handle.
Syntax
typedef struct _DEV_BROADCAST_HANDLE {
DWORD dbch_size;
DWORD dbch_devicetype;
DWORD dbch_reserved;
HANDLE dbch_handle;
HDEVNOTIFY dbch_hdevnotify;
GUID dbch_eventguid;
LONG dbch_nameoffset;
BYTE dbch_data[1];
} DEV_BROADCAST_HANDLE, *PDEV_BROADCAST_HANDLE;
Members
dbch_size
The size of this structure, in bytes.
dbch_devicetype
Set to DBT_DEVTYP_HANDLE.
dbch_reserved
Reserved; do not use.
dbch_handle
A handle to the device to be checked.
dbch_hdevnotify
A handle to the device notification. This handle is returned by RegisterDeviceNotification.
dbch_eventguid
The GUID for the custom event. For more information, see Device Events. Valid only for DBT_CUSTOMEVENT.
dbch_nameoffset
The offset of an optional string buffer. Valid only for DBT_CUSTOMEVENT.
dbch_data[1]
Optional binary data. This member is valid only for DBT_CUSTOMEVENT.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP |
| Minimum supported server | Windows Server 2003 |
| Header | dbt.h |