public static void SetSynchronizationContext(InstanceReference instanceReference)
{
if (!(Current is InstanceSynchronizationContext))
{
SetSynchronizationContext(new InstanceSynchronizationContext());
}
InstanceSynchronizationContext.RegisterActivity(instanceReference);
}
internal ConfiguredTaskAwaiter(Task task, bool continueOnSourceContext, InstanceReference instanceReference)
{
this.task = task;
this.continueOnSourceContext = continueOnSourceContext;
this.instanceReference = instanceReference;
this.thisSetter = null;
if (instanceReference != null)
{
if (InstanceSynchronizationContext.GetRegisteredActivity(instanceReference) == null)
{
throw new TaskSchedulerException("ConfiguredTaskAwaiter called while static SynchronizationContext.SetSynchronizationContext(...) is not called.");
}
}
}
public void Execute(Task completedTask)
{
var activityCtx = ctx as InstanceSynchronizationContext;
if (activityCtx != null && instanceReference != null)
{
var newInstance = InstanceSynchronizationContext.GetRegisteredActivity(instanceReference);
if (newInstance == null)
{
return; //no need to handle remaining code (including the ctx.Post)
}
if (thisSetter != null && newInstance != instanceReference.Instance)
{
thisSetter.SetThis(newInstance);
}
}
ctx.Post(l => ((Action)l)(), action);
}