/// <summary>
/// Performs the work of the cleanup.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void bwCleanup_DoWork(object sender, DoWorkEventArgs e)
{
// Record the start time.
this.Invoke(new SetStartAndEndDelegate(setStartAndEnd), new object[] { DateTime.Now, DateTime.MinValue });
Cleaner cleaner = new Cleaner();
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Empty the Recycle Bin.
bwCleanup.ReportProgress(10);
Thread.Sleep(500);
cleaner.EmptyRecycleBin();
results.Add(new object[] { "Information", "Recycle Bin Emptied", null });
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Delete Windows Update Download Cache.
bwCleanup.ReportProgress(25);
Thread.Sleep(500);
cleaner.DeleteWindowsUpdateDownloadCache();
results.Add(new object[] { "Information", "Windows Update Download Cache Cleared", null });
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Delete Windows Prefetch Files.
bwCleanup.ReportProgress(35);
Thread.Sleep(500);
cleaner.DeleteWindowsPrefetchFiles();
results.Add(new object[] { "Information", "Windows Prefetch Cleared", null });
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Flush the DNS Cache.
bwCleanup.ReportProgress(40);
Thread.Sleep(500);
cleaner.FlushDnsCache();
results.Add(new object[] { "Information", "DNS Cache Flushed", null });
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Delete Thumbnail Cache.
bwCleanup.ReportProgress(44);
Thread.Sleep(500);
cleaner.DeleteThumbnailCaches();
results.Add(new object[] { "Information", "Thumbnail Caches Cleared", null });
// Check for cancellation, then wait to allow the user to read the status.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Delete Windows Temporary Files.
bwCleanup.ReportProgress(50);
Thread.Sleep(500);
cleaner.DeleteWindowsTemporaryFiles();
results.Add(new object[] { "Information", "Windows Temporary Files Deleted", null });
// Check for cancellation, then wait.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Delete User Temporary Files.
bwCleanup.ReportProgress(55);
Thread.Sleep(500);
cleaner.DeleteUserTemporaryFiles();
results.Add(new object[] { "Information", "User Temporary Files Deleted", null });
// Check for cancellation, then wait.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
// Perform system health checks.
bwCleanup.ReportProgress(60);
Thread.Sleep(500);
// Check for high memory usage.
if (advisor.HasHighMemoryConsumption())
results.Add(new object[] { "Warning", "High Memory Usage", "high-memory-usage" });
// Check for insufficient total memory.
if (advisor.HasInsufficientMemory())
results.Add(new object[] { "Warning", "Less than 2GB of Physical Memory", "low-physical-memory" });
// Check for low hard disk free space.
if (advisor.HasHighDiskUsage())
results.Add(new object[] { "Warning", "Less than 3GB of Free Space on System Disk", "low-free-space" });
// Check for cancellation, then wait.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
bwCleanup.ReportProgress(80);
Thread.Sleep(500);
// Check for old (possibly insecure) Java runtimes.
if (advisor.HasOutdatedJava())
results.Add(new object[] { "Danger", "Outdated Java Runtimes Detected", "java-outdated" });
// Check for old (possibly insecure) Flash instances.
if (advisor.HasOutdatedFlash())
results.Add(new object[] { "Danger", "Outdated Flash Player Detected", "flash-outdated" });
// Check for old (possibly insecure) Adobe Reader instances.
if (advisor.HasOutdatedReader())
results.Add(new object[] { "Danger", "Outdated Adobe Reader Detected", "reader-outdated" });
// Check for cancellation, then wait.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
bwCleanup.ReportProgress(90);
Thread.Sleep(500);
// Check for graylisted applications.
securityAdvisor.DownloadGraylist();
// Check for cancellation, then wait.
if (bwCleanup.CancellationPending)
{
e.Cancel = true;
bwCleanup.ReportProgress(0);
return;
}
List<string> graylistedApplications = securityAdvisor.GetGraylistedApplications();
if (graylistedApplications.Count > 0)
foreach (string application in graylistedApplications)
results.Add(new object[] { "Warning", "Graylisted Application \"" + application + "\" Detected", "graylisted-application-detected" });
// Record the end time.
this.Invoke(new SetStartAndEndDelegate(setStartAndEnd), new object[] { DateTime.MinValue, DateTime.Now });
// Mark complete, which will show the results.
bwCleanup.ReportProgress(100);
Thread.Sleep(500);
}
