C# 获取USB设备信息
WMI方式
using System;
using System.Management;
using System.Text.RegularExpressions;
using System.Collections.Generic;
namespace Splash.IO.PORTS
{
/// <summary>
/// 即插即用设备信息结构
/// </summary>
public
struct PnPEntityInfo
{
public
String PNPDeviceID; // 设备ID
public
String
Name
; // 设备名称
public
String Description; // 设备描述
public
String Service; // 服务
public
String Status; // 设备状态
public
UInt16 VendorID; // 供应商标识
public
UInt16 ProductID; // 产品编号
public
Guid ClassGuid; // 设备安装类GUID
}
/// <summary>
/// 基于WMI获取USB设备信息
/// </summary>
public
partial
class USB
{
#region UsbDevice
/// <summary>
/// 获取所有的USB设备实体（过滤没有VID和PID的设备）
/// </summary>
public
static
PnPEntityInfo[] AllUsbDevices
{
get
{
return
WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
}
}
/// <summary>
/// 查询USB设备实体（设备要求有VID和PID）
/// </summary>
/// <param
name
=
"VendorID"
>供应商标识，MinValue忽视</param>
/// <param
name
=
"ProductID"
>产品编号，MinValue忽视</param>
/// <param
name
=
"ClassGuid"
>设备安装类Guid，Empty忽视</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID, UInt16 ProductID, Guid ClassGuid)
{
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 获取USB控制器及其相关联的设备实体
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_USBControllerDevice"
).Get();
if (USBControllerDeviceCollection !=
null
)
{
foreach (ManagementObject USBControllerDevice
in
USBControllerDeviceCollection)
{ // 获取设备实体的DeviceID
String Dependent = (USBControllerDevice[
"Dependent"
]
as
String).Split(new
Char
[] {
'='
})[1];
// 过滤掉没有VID和PID的USB设备
Match match = Regex.Match(Dependent,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
UInt16 theVendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
if (VendorID != UInt16.MinValue && VendorID != theVendorID)
continue
;
UInt16 theProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号
if (ProductID != UInt16.MinValue && ProductID != theProductID)
continue
;
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_PnPEntity WHERE DeviceID="
+ Dependent).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
Guid theClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
if (ClassGuid != Guid.Empty && ClassGuid != theClassGuid)
continue
;
PnPEntityInfo Element;
Element.PNPDeviceID = Entity[
"PNPDeviceID"
]
as
String; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = Entity[
"Service"
]
as
String; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID = theVendorID; // 供应商标识
Element.ProductID = theProductID; // 产品编号
Element.ClassGuid = theClassGuid; // 设备安装类GUID
UsbDevices.
Add
(Element);
}
}
}
}
}
if (UsbDevices.
Count
== 0)
return
null
;
else
return
UsbDevices.ToArray();
}
/// <summary>
/// 查询USB设备实体（设备要求有VID和PID）
/// </summary>
/// <param
name
=
"VendorID"
>供应商标识，MinValue忽视</param>
/// <param
name
=
"ProductID"
>产品编号，MinValue忽视</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID, UInt16 ProductID)
{
return
WhoUsbDevice(VendorID, ProductID, Guid.Empty);
}
/// <summary>
/// 查询USB设备实体（设备要求有VID和PID）
/// </summary>
/// <param
name
=
"ClassGuid"
>设备安装类Guid，Empty忽视</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoUsbDevice(Guid ClassGuid)
{
return
WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, ClassGuid);
}
/// <summary>
/// 查询USB设备实体（设备要求有VID和PID）
/// </summary>
/// <param
name
=
"PNPDeviceID"
>设备ID，可以是不完整信息</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoUsbDevice(String PNPDeviceID)
{
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 获取USB控制器及其相关联的设备实体
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_USBControllerDevice"
).Get();
if (USBControllerDeviceCollection !=
null
)
{
foreach (ManagementObject USBControllerDevice
in
USBControllerDeviceCollection)
{ // 获取设备实体的DeviceID
String Dependent = (USBControllerDevice[
"Dependent"
]
as
String).Split(new
Char
[] {
'='
})[1];
if (!String.IsNullOrEmpty(PNPDeviceID))
{ // 注意：忽视大小写
if (Dependent.IndexOf(PNPDeviceID, 1, PNPDeviceID.Length - 2, StringComparison.OrdinalIgnoreCase) == -1)
continue
;
}
// 过滤掉没有VID和PID的USB设备
Match match = Regex.Match(Dependent,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_PnPEntity WHERE DeviceID="
+ Dependent).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
PnPEntityInfo Element;
Element.PNPDeviceID = Entity[
"PNPDeviceID"
]
as
String; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = Entity[
"Service"
]
as
String; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
Element.ProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号 // 产品编号
Element.ClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
UsbDevices.
Add
(Element);
}
}
}
}
}
if (UsbDevices.
Count
== 0)
return
null
;
else
return
UsbDevices.ToArray();
}
/// <summary>
/// 根据服务定位USB设备
/// </summary>
/// <param
name
=
"ServiceCollection"
>要查询的服务集合</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoUsbDevice(String[] ServiceCollection)
{
if (ServiceCollection ==
null
|| ServiceCollection.Length == 0)
return
WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 获取USB控制器及其相关联的设备实体
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_USBControllerDevice"
).Get();
if (USBControllerDeviceCollection !=
null
)
{
foreach (ManagementObject USBControllerDevice
in
USBControllerDeviceCollection)
{ // 获取设备实体的DeviceID
String Dependent = (USBControllerDevice[
"Dependent"
]
as
String).Split(new
Char
[] {
'='
})[1];
// 过滤掉没有VID和PID的USB设备
Match match = Regex.Match(Dependent,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(
"SELECT * FROM Win32_PnPEntity WHERE DeviceID="
+ Dependent).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
String theService = Entity[
"Service"
]
as
String; // 服务
if (String.IsNullOrEmpty(theService))
continue
;
foreach (String Service
in
ServiceCollection)
{ // 注意：忽视大小写
if (String.Compare(theService, Service,
true
) != 0)
continue
;
PnPEntityInfo Element;
Element.PNPDeviceID = Entity[
"PNPDeviceID"
]
as
String; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = theService; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
Element.ProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号
Element.ClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
UsbDevices.
Add
(Element);
break;
}
}
}
}
}
}
if (UsbDevices.
Count
== 0)
return
null
;
else
return
UsbDevices.ToArray();
}
#endregion
#region PnPEntity
/// <summary>
/// 所有即插即用设备实体（过滤没有VID和PID的设备）
/// </summary>
public
static
PnPEntityInfo[] AllPnPEntities
{
get
{
return
WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
}
}
/// <summary>
/// 根据VID和PID及设备安装类GUID定位即插即用设备实体
/// </summary>
/// <param
name
=
"VendorID"
>供应商标识，MinValue忽视</param>
/// <param
name
=
"ProductID"
>产品编号，MinValue忽视</param>
/// <param
name
=
"ClassGuid"
>设备安装类Guid，Empty忽视</param>
/// <
returns
>设备列表</
returns
>
/// <remarks>
/// HID：{745a17a0-74d3-11d0-b6fe-00a0c90f57da}
/// Imaging Device：{6bdd1fc6-810f-11d0-bec7-08002be2092f}
/// Keyboard：{4d36e96b-e325-11ce-bfc1-08002be10318}
/// Mouse：{4d36e96f-e325-11ce-bfc1-08002be10318}
/// Network Adapter：{4d36e972-e325-11ce-bfc1-08002be10318}
/// USB：{36fc9e60-c465-11cf-8056-444553540000}
/// </remarks>
public
static
PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID, UInt16 ProductID, Guid ClassGuid)
{
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚举即插即用设备实体
String VIDPID;
if (VendorID == UInt16.MinValue)
{
if (ProductID == UInt16.MinValue)
VIDPID =
"'%VID[_]____&PID[_]____%'"
;
else
VIDPID =
"'%VID[_]____&PID[_]"
+ ProductID.ToString(
"X4"
) +
"%'"
;
}
else
{
if (ProductID == UInt16.MinValue)
VIDPID =
"'%VID[_]"
+ VendorID.ToString(
"X4"
) +
"&PID[_]____%'"
;
else
VIDPID =
"'%VID[_]"
+ VendorID.ToString(
"X4"
) +
"&PID[_]"
+ ProductID.ToString(
"X4"
) +
"%'"
;
}
String QueryString;
if (ClassGuid == Guid.Empty)
QueryString =
"SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE"
+ VIDPID;
else
QueryString =
"SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE"
+ VIDPID +
" AND ClassGuid='"
+ ClassGuid.ToString(
"B"
) +
"'"
;
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
String PNPDeviceID = Entity[
"PNPDeviceID"
]
as
String;
Match match = Regex.Match(PNPDeviceID,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
PnPEntityInfo Element;
Element.PNPDeviceID = PNPDeviceID; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = Entity[
"Service"
]
as
String; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
Element.ProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号
Element.ClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
PnPEntities.
Add
(Element);
}
}
}
if (PnPEntities.
Count
== 0)
return
null
;
else
return
PnPEntities.ToArray();
}
/// <summary>
/// 根据VID和PID定位即插即用设备实体
/// </summary>
/// <param
name
=
"VendorID"
>供应商标识，MinValue忽视</param>
/// <param
name
=
"ProductID"
>产品编号，MinValue忽视</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID, UInt16 ProductID)
{
return
WhoPnPEntity(VendorID, ProductID, Guid.Empty);
}
/// <summary>
/// 根据设备安装类GUID定位即插即用设备实体
/// </summary>
/// <param
name
=
"ClassGuid"
>设备安装类Guid，Empty忽视</param>
/// <
returns
>设备列表</
returns
>
public
static
PnPEntityInfo[] WhoPnPEntity(Guid ClassGuid)
{
return
WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, ClassGuid);
}
/// <summary>
/// 根据设备ID定位设备
/// </summary>
/// <param
name
=
"PNPDeviceID"
>设备ID，可以是不完整信息</param>
/// <
returns
>设备列表</
returns
>
/// <remarks>
/// 注意：对于下划线，需要写成“[_]”，否则视为任意字符
/// </remarks>
public
static
PnPEntityInfo[] WhoPnPEntity(String PNPDeviceID)
{
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚举即插即用设备实体
String QueryString;
if (String.IsNullOrEmpty(PNPDeviceID))
{
QueryString =
"SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%VID[_]____&PID[_]____%'"
;
}
else
{ //
LIKE
子句中有反斜杠字符将会引发WQL查询异常
QueryString =
"SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%"
+ PNPDeviceID.
Replace
('\\
', '
_
') + "%'
";
}
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
String thePNPDeviceID = Entity[
"PNPDeviceID"
]
as
String;
Match match = Regex.Match(thePNPDeviceID,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
PnPEntityInfo Element;
Element.PNPDeviceID = thePNPDeviceID; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = Entity[
"Service"
]
as
String; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
Element.ProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号
Element.ClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
PnPEntities.
Add
(Element);
}
}
}
if (PnPEntities.
Count
== 0)
return
null
;
else
return
PnPEntities.ToArray();
}
/// <summary>
/// 根据服务定位设备
/// </summary>
/// <param
name
=
"ServiceCollection"
>要查询的服务集合，
null
忽视</param>
/// <
returns
>设备列表</
returns
>
/// <remarks>
/// 跟服务相关的类：
/// Win32_SystemDriverPNPEntity
/// Win32_SystemDriver
/// </remarks>
public
static
PnPEntityInfo[] WhoPnPEntity(String[] ServiceCollection)
{
if (ServiceCollection ==
null
|| ServiceCollection.Length == 0)
return
WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚举即插即用设备实体
String QueryString =
"SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%VID[_]____&PID[_]____%'"
;
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection !=
null
)
{
foreach (ManagementObject Entity
in
PnPEntityCollection)
{
String PNPDeviceID = Entity[
"PNPDeviceID"
]
as
String;
Match match = Regex.Match(PNPDeviceID,
"VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}"
);
if (match.Success)
{
String theService = Entity[
"Service"
]
as
String; // 服务
if (String.IsNullOrEmpty(theService))
continue
;
foreach (String Service
in
ServiceCollection)
{ // 注意：忽视大小写
if (String.Compare(theService, Service,
true
) != 0)
continue
;
PnPEntityInfo Element;
Element.PNPDeviceID = PNPDeviceID; // 设备ID
Element.
Name
= Entity[
"Name"
]
as
String; // 设备名称
Element.Description = Entity[
"Description"
]
as
String; // 设备描述
Element.Service = theService; // 服务
Element.Status = Entity[
"Status"
]
as
String; // 设备状态
Element.VendorID =
Convert
.ToUInt16(match.Value.
Substring
(4, 4), 16); // 供应商标识
Element.ProductID =
Convert
.ToUInt16(match.Value.
Substring
(13, 4), 16); // 产品编号
Element.ClassGuid = new Guid(Entity[
"ClassGuid"
]
as
String); // 设备安装类GUID
PnPEntities.
Add
(Element);
break;
}
}
}
}
if (PnPEntities.
Count
== 0)
return
null
;
else
return
PnPEntities.ToArray();
}
#endregion
}
}
通过API的方式详见
http://www.cnblogs.com/xidongs/archive/2011/11/28/2266100.html