USB_BUS_INFORMATION_LEVEL_1 structure (usbbusif.h)
The USB_BUS_INFORMATION_LEVEL_1 structure is used in conjunction with the QueryBusInformation interface routine to report information about the bus.
Syntax
typedef struct _USB_BUS_INFORMATION_LEVEL_1 {
ULONG TotalBandwidth;
ULONG ConsumedBandwidth;
ULONG ControllerNameLength;
WCHAR ControllerNameUnicodeString[1];
} USB_BUS_INFORMATION_LEVEL_1, *PUSB_BUS_INFORMATION_LEVEL_1;
Members
TotalBandwidth
Specifies the total bandwidth, in bits per second, available on the bus.
ConsumedBandwidth
Specifies the mean bandwidth already in use, in bits per second.
ControllerNameLength
Specifies the length of symbolic name for the host controller, in Unicode.
ControllerNameUnicodeString[1]
Specifies the symbolic name for the host controller, in Unicode.
Remarks
Caller must set the Level parameter of the QueryBusInformation routine to 1.
For more information about how to obtain the proper level of USB interface, see USB Routines.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Microsoft Windows XP and later operating systems. |
| Header | usbbusif.h (include Usbbusif.h) |