/// <summary>
/// The InistialseFolder event is raised from here, for every subfolder that we perform an item count on.
/// </summary>
/// <param name="folderName">The name of the folder</param>
/// <remarks>This event just publishes some activity to clients of this type, during the process of
/// finding the total item count for all items</remarks>
private void RaiseInitialScanEvent(string folderName)
{
if (InitialiseFolder != null)
{
FSScanEventArgs args = new FSScanEventArgs();
args.FolderName = folderName;
InitialiseFolder(this, args);
Thread.Sleep(0);
}
}
void m_scanFS_FileFound(object sender, FSScanEventArgs e)
{
lock (this)
{
m_filesFound++;
if (0 < m_delay)
{
System.Threading.Thread.Sleep(m_delay); //this will slow down the scanning speed for tests
}
}
}
void fileScan_OnFolderCountCompleted(object sender, FSScanEventArgs e)
{
m_fileCount = e.ItemsFound;
m_eventReturned = true;
}
void OnFileSystemItemFound(object sender, FSScanEventArgs e)
{
throw new Exception("The method or operation is not implemented.");
}
int FindItemCount(DirectoryInfo directory)
{
int itemCount = 0;
try
{
RaiseInitialScanEvent(directory.Name);
foreach (string filter in m_searchFilters)
{
m_reset.WaitOne();
if (m_isCounting == false)
return 0;
itemCount += directory.GetFiles(filter).GetLength(0);
}
if (OnFolderCountProgress != null)
{
FSScanEventArgs args = new FSScanEventArgs();
args.FolderName = directory.Name;
args.ItemsFound = itemCount;
OnFolderCountProgress(this, args);
}
DirectoryInfo[] subs = directory.GetDirectories();
foreach (DirectoryInfo sub in subs)
{
itemCount += FindItemCount(sub);
}
}
catch (UnauthorizedAccessException e)
{
System.Diagnostics.Trace.TraceError("Cannot access file/folder - " + e.Message);
}
return itemCount;
}
private void FindCountAysnc(object state)
{
System.Globalization.CultureInfo ci = state as System.Globalization.CultureInfo;
if (ci != null)
{
Thread.CurrentThread.CurrentCulture = ci;
Thread.CurrentThread.CurrentUICulture = ci;
}
int itemCount = 0;
m_totalItems = 0;
m_isCounting = true;
if (OnFolderCountStart != null)
OnFolderCountStart(this, new EventArgs());
foreach (DirectoryInfo dir in m_directoriesToScan)
{
itemCount += FindItemCount(dir);
m_reset.WaitOne();
if (m_isCounting == false)
return;
}
m_totalItems = itemCount;
if (OnFolderCountCompleted != null)
{
FSScanEventArgs args = new FSScanEventArgs();
args.FolderName = "";
args.ItemsFound = itemCount;
OnFolderCountCompleted(this, args);
}
RaiseInitialScanEvent(String.Empty);
m_isCounting = false;
}
