FastSeekWpf/NativeInterop/NativeTypes.cs

using System;
using System.Runtime.InteropServices;

namespace FastSeekWpf.NativeInterop;

[StructLayout(LayoutKind.Sequential)]
internal struct MFT_ENUM_DATA_V0
{
    public ulong StartFileReferenceNumber;
    public long LowUsn;
    public long HighUsn;
}

[StructLayout(LayoutKind.Sequential)]
internal struct USN_JOURNAL_DATA_V0
{
    public ulong UsnJournalID;
    public long FirstUsn;
    public long NextUsn;
    public long LowestValidUsn;
    public long MaxUsn;
    public ulong MaximumSize;
    public ulong AllocationDelta;
}

[StructLayout(LayoutKind.Sequential)]
internal struct READ_USN_JOURNAL_DATA_V0
{
    public long StartUsn;
    public uint ReasonMask;
    public uint ReturnOnlyOnClose;
    public ulong Timeout;
    public ulong BytesToWaitFor;
    public ulong UsnJournalID;
}

[StructLayout(LayoutKind.Sequential)]
internal struct USN_RECORD_V2
{
    public uint RecordLength;
    public ushort MajorVersion;
    public ushort MinorVersion;
    public ulong FileReferenceNumber;
    public ulong ParentFileReferenceNumber;
    public long Usn;
    public ulong TimeStamp;
    public uint Reason;
    public uint SourceInfo;
    public uint SecurityId;
    public uint FileAttributes;
    public ushort FileNameLength;
    public ushort FileNameOffset;
    // FileName follows
}