public Context(FileChangeWatcher fileChangeWatcher, string directoryFilePath)
{
_fileChangeWatcher = fileChangeWatcher;
_noOpFileWatchingToken = new FileWatchingToken();
if (directoryFilePath != null)
{
if (!directoryFilePath.EndsWith("\\"))
{
directoryFilePath = directoryFilePath + "\\";
}
_directoryFilePathOpt = directoryFilePath;
_fileChangeWatcher.EnqueueWork(
service => { ErrorHandler.ThrowOnFailure(service.AdviseDirChange(_directoryFilePathOpt, fWatchSubDir: 1, this, out _directoryWatchCookie)); });
}
}
public void StopWatchingFile(IFileWatchingToken token)
{
var typedToken = token as FileWatchingToken;
Contract.ThrowIfNull(typedToken, "The token passed did not originate from this service.");
if (typedToken == _noOpFileWatchingToken)
{
// This file never required a direct file watch, our main subscription covered it.
return;
}
lock (_gate)
{
Contract.ThrowIfFalse(_activeFileWatchingTokens.Remove(typedToken), "This token was no longer being watched.");
}
_fileChangeWatcher.EnqueueWork(service => UnsubscribeFileChangeEventsAsync(service, typedToken));
}
public Context(FileChangeWatcher fileChangeWatcher, string?directoryFilePath)
{
_fileChangeWatcher = fileChangeWatcher;
_noOpFileWatchingToken = new FileWatchingToken();
if (directoryFilePath != null)
{
if (!directoryFilePath.EndsWith("\\"))
{
directoryFilePath += "\\";
}
_directoryFilePath = directoryFilePath;
_fileChangeWatcher.EnqueueWork(
async service =>
{
_directoryWatchCookie = await service.AdviseDirChangeAsync(_directoryFilePath, watchSubdirectories: true, this).ConfigureAwait(false);
});
}
}
