C#USB设备枚举Kernel32的PInvoke

using System;
using System.Runtime.InteropServices;
using System.Security;
namespace Splash
{
#region Kernel32
[SuppressUnmanagedCodeSecurity]
internal static class Kernel32
{
/// <summary>
/// 无效的文件句柄
/// </summary>
public static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
#region CreateFile
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr CreateFile(
String fileName,
[MarshalAs(UnmanagedType.U4)] NativeFileAccess fileAccess,
[MarshalAs(UnmanagedType.U4)] NativeFileShare fileShare,
IntPtr securityAttributes,
[MarshalAs(UnmanagedType.U4)] NativeFileMode creationDisposition,
NativeFileFlag flags,
IntPtr template
);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern IntPtr CreateFile(
String fileName,
[MarshalAs(UnmanagedType.U4)] NativeFileAccess fileAccess,
[MarshalAs(UnmanagedType.U4)] NativeFileShare fileShare,
IntPtr securityAttributes,
[MarshalAs(UnmanagedType.U4)] NativeFileMode creationDisposition,
IntPtr flags,
IntPtr template
);
#endregion
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern Boolean CloseHandle(IntPtr hFile);
#region ReadFile
[DllImport("kernel32.dll", SetLastError = true)]
public static extern Boolean ReadFile(
IntPtr hFile,
[Out] Byte[] lpBuffer,
Int32 nNumberOfBytesToRead,
out Int32 lpNumberOfBytesRead,
[In] ref System.Threading.NativeOverlapped lpOverlapped
);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern Boolean ReadFile(
IntPtr hFile,
[Out] Byte[] lpBuffer,
Int32 nNumberOfBytesToRead,
IntPtr lpNumberOfBytesRead,
[In] ref System.Threading.NativeOverlapped lpOverlapped
);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern Boolean ReadFile(
IntPtr hFile,
[Out] Byte[] lpBuffer,
Int32 nNumberOfBytesToRead,
out Int32 lpNumberOfBytesRead,
IntPtr lpOverlapped
);
#endregion
#region WriteFile
[DllImport("kernel32.dll")]
public static extern Boolean WriteFile(
IntPtr hFile,
Byte[] lpBuffer,
Int32 nNumberOfBytesToWrite,
out Int32 lpNumberOfBytesWritten,
[In] ref System.Threading.NativeOverlapped lpOverlapped
);
[DllImport("kernel32.dll")]
public static extern Boolean WriteFile(
IntPtr hFile,
Byte[] lpBuffer,
Int32 nNumberOfBytesToWrite,
IntPtr lpNumberOfBytesWritten,
[In] ref System.Threading.NativeOverlapped lpOverlapped
);
[DllImport("kernel32.dll")]
public static extern Boolean WriteFile(
IntPtr hFile,
Byte[] lpBuffer,
Int32 nNumberOfBytesToWrite,
IntPtr lpNumberOfBytesWritten,
IntPtr lpOverlapped
);
#endregion
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean GetOverlappedResult(
IntPtr hFile,
[In] ref System.Threading.NativeOverlapped lpOverlapped,
out Int32 lpNumberOfBytesTransferred,
Boolean bWait
);
}
#endregion
#region ENUM
[Flags]
internal enum NativeFileAccess : uint
{
GENERIC_READ = (0x80000000),
GENERIC_WRITE = (0x40000000),
GENERIC_EXECUTE = (0x20000000),
GENERIC_ALL = (0x10000000),
FILE_SPECIAL = 0,
FILE_APPEND_DATA = (0x0004), // 文件
FILE_READ_DATA = (0x0001), // 文件和管道
FILE_WRITE_DATA = (0x0002), // 文件和管道
FILE_READ_EA = (0x0008), // 文件和目录
FILE_WRITE_EA = (0x0010), // 文件和目录
FILE_READ_ATTRIBUTES = (0x0080), // 所有
FILE_WRITE_ATTRIBUTES = (0x0100), // 所有
DELETE = 0x00010000,
READ_CONTROL = (0x00020000),
WRITE_DAC = (0x00040000),
WRITE_OWNER = (0x00080000),
SYNCHRONIZE = (0x00100000),
STANDARD_RIGHTS_REQUIRED = (0x000F0000),
STANDARD_RIGHTS_READ = (READ_CONTROL),
STANDARD_RIGHTS_WRITE = (READ_CONTROL),
STANDARD_RIGHTS_EXECUTE = (READ_CONTROL),
STANDARD_RIGHTS_ALL = (0x001F0000),
SPECIFIC_RIGHTS_ALL = (0x0000FFFF),
FILE_GENERIC_READ = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE),
FILE_GENERIC_WRITE = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE),
SPECIAL = 0
}
internal enum NativeFileMode : uint
{
CREATE_NEW = 1,
CREATE_ALWAYS = 2,
OPEN_EXISTING = 3,
OPEN_ALWAYS = 4,
TRUNCATE_EXISTING = 5,
}
[Flags]
internal enum NativeFileShare : uint
{
NONE = 0,
FILE_SHARE_READ = 0x00000001,
FILE_SHARE_WRITE = 0x00000002,
FILE_SHARE_DEELETE = 0x00000004,
}
[Flags]
internal enum NativeFileFlag : uint
{
FILE_ATTRIBUTE_READONLY = 0x00000001,
FILE_ATTRIBUTE_HIDDEN = 0x00000002,
FILE_ATTRIBUTE_SYSTEM = 0x00000004,
FILE_ATTRIBUTE_DIRECTORY = 0x00000010,
FILE_ATTRIBUTE_ARCHIVE = 0x00000020,
FILE_ATTRIBUTE_DEVICE = 0x00000040,
FILE_ATTRIBUTE_NORMAL = 0x00000080,
FILE_ATTRIBUTE_TEMPORARY = 0x00000100,
FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200,
FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400,
FILE_ATTRIBUTE_COMPRESSED = 0x00000800,
FILE_ATTRIBUTE_OFFLINE = 0x00001000,
FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x00002000,
FILE_ATTRIBUTE_ENCRYPTED = 0x00004000,
FILE_FLAG_WRITE_THROUGH = 0x80000000,
FILE_FLAG_OVERLAPPED = 0x40000000,
FILE_FLAG_NO_BUFFERING = 0x20000000,
FILE_FLAG_RANDOM_ACCESS = 0x10000000,
FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000,
FILE_FLAG_DELETE_ON_CLOSE = 0x04000000,
FILE_FLAG_BACKUP_SEMANTICS = 0x02000000,
FILE_FLAG_POSIX_SEMANTICS = 0x01000000,
FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000,
FILE_FLAG_OPEN_NO_RECALL = 0x00100000,
FILE_FLAG_FIRST_PIPE_INSTANCE = 0x00080000,
}
#endregion
}