public static extern bool CreateDelta(
[MarshalAs(UnmanagedType.I8)] FileTypeSet fileTypeSet,
[MarshalAs(UnmanagedType.I8)] CreateFlags setFlags,
[MarshalAs(UnmanagedType.I8)] CreateFlags resetFlags,
string sourceName,
string targetName,
string sourceOptionsName,
string targetOptionsName,
DeltaInput globalOptions,
IntPtr targetFileTime,
[MarshalAs(UnmanagedType.U4)] HashAlgId hashAlgId,
string deltaName);
/// <summary>
/// Creates a delta from an existing binary file
/// </summary>
/// <param name="sourceFilePath">The path where the source file is located</param>
/// <param name="newFilePath">The path where the new file is located, to compare them</param>
/// <param name="deltaFilePath">The path where the delta path will be located</param>
public void CreateDelta(string sourceFilePath, string newFilePath, string deltaFilePath)
{
const string sourceOptionsName = null;
const string targetOptionsName = null;
var globalOptions = new DeltaInput();
var targetFileTime = IntPtr.Zero;
// Create delta
if (!NativeMethods.CreateDelta(
FileTypeSet.Executables, CreateFlags.IgnoreFileSizeLimit, CreateFlags.None, sourceFilePath, newFilePath,
sourceOptionsName, targetOptionsName, globalOptions, targetFileTime, HashAlgId.Crc32, deltaFilePath))
{
// Throw exception if something went wrong
throw new Win32Exception();
}
}
