private void TestDisposeButton_Click(object sender, RoutedEventArgs e)
{
LogTextBox.Text = "Please wait...";
var success = System.Threading.ThreadPool.QueueUserWorkItem(TestDispose);
if (!success)
{
ProgressBarPanel.UpdateProgress("Scan failed!", "", true);
}
}
void TestDispose(object state)
{
var text = TestMemoryLeakAssemblies(
typeof(App).Assembly,
typeof(Engine.EngineHelper).Assembly
);
ControlsHelper.Invoke(() =>
{
ProgressBarPanel.UpdateProgress();
LogTextBox.Text = text;
});
}
public DebugControl()
{
InitHelper.InitTimer(this, InitializeComponent);
if (ControlsHelper.IsDesignMode(this))
{
return;
}
ProgressBarPanel.UpdateProgress();
_TestTimer = new HiResTimer(1, "TestTimer");
_TestTimer.AutoReset = true;
CpuTimer = new System.Timers.Timer();
CpuTimer.Interval = 1000;
CpuTimer.AutoReset = false;
CpuTimer.Elapsed += CpuTimer_Elapsed;
LoadSettings();
CheckTimer();
}
public string TestMemoryLeakAssemblies(params System.Reflection.Assembly[] assemblies)
{
var log = new List <string>();
var disposedCount = 0;
var aliveCount = 0;
var errorsCount = 0;
var e = new ProgressEventArgs();
for (int a = 0; a < assemblies.Length; a++)
{
var assembly = assemblies[a];
e.TopCount = assemblies.Length;
e.TopIndex = a;
e.TopData = assemblies;
e.TopMessage = $"Assembly: {assembly.FullName}";
ControlsHelper.Invoke(() => ProgressBarPanel.UpdateProgress(e));
var types = assembly.GetTypes();
for (int t = 0; t < types.Length; t++)
{
var type = types[t];
e.SubCount = types.Length;
e.SubIndex = t;
e.SubData = types;
e.SubMessage = $"Type: {type.FullName}";
ControlsHelper.Invoke(() => ProgressBarPanel.UpdateProgress(e));
if (type.IsInterface)
{
continue;
}
if (!type.FullName.Contains(".Controls.") && !type.FullName.Contains(".Forms."))
{
continue;
}
ControlsHelper.Invoke(() =>
{
try
{
var o = Activator.CreateInstance(type);
var wr = new WeakReference(o);
// Verify that the WeakReference actually points to the intended object instance.
if (wr.Target.Equals(o))
{
// Dispose object.
o = null;
for (int i = 0; i < 4; i++)
{
GC.Collect();
GC.WaitForPendingFinalizers();
GC.WaitForFullGCComplete();
GC.Collect();
}
// Note: Debug mode turns off a lot of optimizations, because compiler is trying to be helpful.
// Debug build can keep values rooted even if you set them to null i.e. wr.IsAlive will always return TRUE.
if (wr.IsAlive)
{
log.Add($"Is Alive: {type.FullName}");
aliveCount++;
}
else
{
log.Add($"Disposed: {type.FullName}");
disposedCount++;
}
}
else
{
log.Add($"Error: NOT same as {type.FullName}");
errorsCount++;
}
}
catch (Exception ex)
{
log.Add($"Error: {type.FullName} {ex.Message}");
errorsCount++;
}
});
}
}
var results = $"Disposed = {disposedCount}, Alive = {aliveCount}, Errors = {errorsCount}\r\n" + string.Join("\r\n", log);
return(results);
}