using?System;
using?System.Runtime.InteropServices;
using?System.Text;

namespace?USB?
{????
????///?

????///?SetupApi.dll的PInvoke
????///?

????public?partial?class?EZUSB
????{
????????#region?ENUM
????????[Flags]
????????private?enum?DIGCF
????????{
????????????DIGCF_DEFAULT?=?0x00000001
????????????DIGCF_PRESENT?=?0x00000002
????????????DIGCF_ALLCLASSES?=?0x00000004??????????//?設備安裝類
????????????DIGCF_PROFILE?=?0x00000008
????????????DIGCF_DEVICEINTERFACE?=?0x00000010?????//?設備接口類
????????}
????????#endregion

????????#region?STRUCT
????????[StructLayout（LayoutKind.Sequential）]
????????private?struct?SP_DEVINFO_DATA
????????{
????????????public?static?readonly?SP_DEVINFO_DATA?Empty?=?new?SP_DEVINFO_DATA（Marshal.SizeOf（typeof（SP_DEVINFO_DATA）））;
????????????public?UInt32?cbSize;
????????????public?Guid?ClassGuid;
????????????public?UInt32?DevInst;
????????????public?IntPtr?Reserved;

????????????private?SP_DEVINFO_DATA（int?size）
????????????{
????????????????cbSize?=?（UInt32）size;
????????????????ClassGuid?=?Guid.Empty;
????????????????DevInst?=?0;
????????????????Reserved?=?IntPtr.Zero;
????????????}
????????}

????????[StructLayout（LayoutKind.Sequential）]
????????private?struct?SP_DEVICE_INTERFACE_DATA
????????{
????????????public?static?readonly?SP_DEVICE_INTERFACE_DATA?Empty?=?new?SP_DEVICE_INTERFACE_DATA（Marshal.SizeOf（typeof（SP_DEVICE_INTERFACE_DATA）））;
????????????public?UInt32?cbSize;
????????????public?Guid?InterfaceClassGuid;
????????????public?UInt32?Flags;
????????????public?UIntPtr?Reserved;

????????????private?SP_DEVICE_INTERFACE_DATA（int?size）
????????????{
????????????????cbSize?=?（uint）size;
????????????????InterfaceClassGuid?=?Guid.Empty;
????????????????Flags?=?0;
????????????????Reserved?=?UIntPtr.Zero;
????????????}
????????}

????????[StructLayout（LayoutKind.Sequential?CharSet?=?CharSet.Auto）]
????????private?struct?SP_DEVICE_INTERFACE_DETAIL_DATA
????????{
????????????public?UInt32?cbSize;
????????????[MarshalAs（UnmanagedType.ByValTStr?SizeConst?=?256）]
????????????public?String?DevicePath;
????????}
????????#endregion

????????#region?API
????????#region?SetupDiGetClassDevs
????????[DllImport（“setupapi.dll“?CharSet?=?CharSet.Auto）]
????????private?static?extern?IntPtr?SetupDiGetClassDevs（
????????????ref?Guid?ClassGuid
????????????[MarshalAs（UnmanagedType.LPTStr）]?String?Enumerator
????????????IntPtr?hwndParent
????????????DIGCF?Flags
????????????）;????????

????????[DllImport（“setupapi.dll“?CharSet?=?CharSet.Auto）]
????????private?static?extern?IntPtr?SetupDiGetClassDevs（
????????????IntPtr?ClassGuid???????//?null?
????????????String?Enumerator
????????????IntPtr?hwndParent
????????????DIGCF?Flags
????????????）;
????????#endregion

????????#region?SetupDiGetClassDevsEx
????????[DllImport（“setupapi.dll“?CharSet?=?CharSet.Auto）]
????????private?static?extern?IntPtr?SetupDiGetClassDevsEx（
??????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????7809??2013-11-27?11:44??GetUSBPidVid\SetupApi.cs

?????文件???????5309??2013-11-27?11:44??GetUSBPidVid\WDKVidPidQuery.cs

?????目錄??????????0??2013-11-27?11:44??GetUSBPidVid

-----------?---------??----------?-----??----

????????????????13118????????????????????3