protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
// dispose all
if (disposing)
{
_currentFileHandle.Dispose();
_currentFileHandle = null;
}
// done
_disposed = true;
}
/// <summary>
/// Moves to next element
/// </summary>
/// <returns></returns>
public bool MoveNext()
{
do
{
// only at start currentFileHandle is null
if (_currentFileHandle == null)
{
// first call
_currentFileHandle = Win32SafeNativeMethods.FindFirstFile(DirectoryPath, _currentFindData);
_currentErrorCode = Marshal.GetLastWin32Error();
}
else
{
// second to n call
_currentFindData = new Win32FindData();
if (!Win32SafeNativeMethods.FindNextFile(_currentFileHandle, _currentFindData))
{
return(false);
}
}
// Take care of invalid handles
if (_currentFileHandle.IsInvalid)
{
if (_currentErrorCode != Win32ErrorCodes.ERROR_NO_MORE_FILES)
{
Win32ErrorCodes.NativeExceptionMapping(DirectoryPath, _currentErrorCode);
}
return(false);
}
// skip entries to ignore
} while(FilterSystemEntries && _currentFindData.IsSystemDirectoryEntry());
return(true);
}
public Win32FileSystemEntry(Win32FileHandle fileHandle, Win32FindData findData)
{
FileHandle = fileHandle;
FindData = findData;
}
public Win32FileSystemEntry( Win32FileHandle fileHandle, Win32FindData findData )
{
FileHandle = fileHandle;
FindData = findData;
}
public static extern bool FindNextFile(Win32FileHandle findFileHandle, [In, Out, MarshalAs(UnmanagedType.LPStruct)] Win32FindData win32FindData);
public static extern bool FindNextFile( Win32FileHandle findFileHandle, [In, Out, MarshalAs( UnmanagedType.LPStruct )] Win32FindData win32FindData );