public static int EntriesEx(string FullFindFirstFileString, OnFindData FindDataCallback)
{
FIND_DATA_RAW find_data = new FIND_DATA_RAW();
int rc = 0;
IntPtr SearchHandle = IntPtr.Zero;
try
{
SearchHandle = Spi.Native.FindFirstFileEx(
FullFindFirstFileString
, Native.FINDEX_INFO_LEVELS.FindExInfoBasic
, ref find_data
, Native.FINDEX_SEARCH_OPS.FindExSearchNameMatch
, IntPtr.Zero
, Native.FINDEX_ADDITIONAL_FLAGS.FIND_FIRST_EX_LARGE_FETCH);
if (SearchHandle == Native.INVALID_HANDLE_VALUE)
{
rc = Marshal.GetLastWin32Error();
}
else
{
do
{
if (IsDotOrDotDotDirectory(find_data.cFileName))
{
continue;
}
FindDataCallback(ref find_data);
}while (Native.FindNextFileW(SearchHandle, ref find_data));
if (Marshal.GetLastWin32Error() != Native.ERROR_NO_MORE_FILES)
{
rc = Marshal.GetLastWin32Error();
}
}
}
finally
{
if (SearchHandle != IntPtr.Zero)
{
Native.FindClose(SearchHandle);
}
}
return(rc);
}
private static void BuildSendData(ref FIND_DATA_RAW find_data, BinaryWriter bw)
{
int lenFilename = LenOfFilename(find_data.cFileName);
byte[] UTF8Filename = new byte[260 * 4];
int UTF8byteswritten = 0;
unsafe
{
fixed (UInt16* ptrFilename = find_data.cFileName)
fixed (byte* utf8buffer = UTF8Filename)
{
char* chars = (char*)ptrFilename;
UTF8byteswritten = Encoding.UTF8.GetBytes(
chars: chars,
charCount: lenFilename,
bytes: utf8buffer,
byteCount: UTF8Filename.Length);
}
}
bw.Write(UTF8Filename, 0, UTF8byteswritten);
bw.Write((byte)0);
}
