static ResourceDictionaryDiagnostics()
{
IsEnabled = VisualDiagnostics.IsEnabled &&
VisualDiagnostics.IsEnvironmentVariableSet(null, "ENABLE_XAML_DIAGNOSTICS_SOURCE_INFO");
// internal property, not visible to user
IgnorableProperties.Add(typeof(ResourceDictionary).GetProperty("DeferrableContent"));
}
// Calls critical method IsEnvironmentVariableSet, but doesn't expose data
static ResourceDictionaryDiagnostics()
{
IsEnabled = VisualDiagnostics.IsEnabled &&
VisualDiagnostics.IsEnvironmentVariableSet(null, XamlSourceInfoHelper.XamlSourceInfoEnvironmentVariable);
// internal property, not visible to user
IgnorableProperties.Add(typeof(ResourceDictionary).GetProperty("DeferrableContent"));
}
// this method is (also) called via private reflection from test code
private static void InitializeEnableXamlSourceInfo(string value)
{
if (VisualDiagnostics.IsEnabled &&
VisualDiagnostics.IsEnvironmentVariableSet(value, "ENABLE_XAML_DIAGNOSTICS_SOURCE_INFO") &&
InitializeXamlObjectEventArgs())
{
s_sourceInfoTable = new ConditionalWeakTable <object, XamlSourceInfo>();
}
else
{
s_sourceInfoTable = null;
}
}
// this method is (also) called via private reflection from test code
private static void InitializeEnableXamlSourceInfo(string value)
{
if (VisualDiagnostics.IsEnabled &&
VisualDiagnostics.IsEnvironmentVariableSet(value, XamlSourceInfoHelper.XamlSourceInfoEnvironmentVariable) &&
InitializeXamlObjectEventArgs())
{
s_sourceInfoTable = new ConditionalWeakTable <object, XamlSourceInfo>();
}
else
{
s_sourceInfoTable = null;
}
}
static BindingDiagnostics()
{
IsEnabled = VisualDiagnostics.IsEnabled && VisualDiagnostics.IsEnvironmentVariableSet(null, XamlSourceInfoHelper.XamlSourceInfoEnvironmentVariable);
if (IsEnabled)
{
// Listeners may miss the initial set of binding failures, so cache events until the first listener attaches.
// Normally there will only be one listener added soon after the process starts,
// and it will want to know about any binding failures that already happened.
s_pendingEvents = new List <BindingFailedEventArgs>();
s_pendingEventsLock = new object();
}
}