CLIENT_DEVICE_INFORMATION structure (hwnclx.h)
The CLIENT_DEVICE_INFORMATION structure is used by the hardware notification callback HWN_CLIENT_QUERY_DEVICE_INFORMATION to return the total number of hardware notifications that the client device driver provides.
Syntax
typedef struct _CLIENT_DEVICE_INFORMATION {
USHORT Version;
USHORT Size;
USHORT TotalHwNs;
} CLIENT_DEVICE_INFORMATION, CLIENT_DEVICE_INFORMATION;
Members
Version
Specifies the version number of this structure. This value must be provided by the client driver to the class extension. The class extension is responsible for verifying that this version is supported. The hardware notification payload version number is HWN_DEVICE_INFORMATION_VERSION.
Size
The size, in bytes, of the CLIENT_DEVICE_INFORMATION data structure.
TotalHwNs
The total number of hardware notifications that the client device driver provides.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10, version 1709 |
| Minimum supported server | Windows Server 2016 |
| Header | hwnclx.h |