internal void EmitOperationPriorityChanged(DispatcherOperation op)
{
DispatcherHookEventHandler prio = this.OperationPriorityChanged;
if (prio != null)
{
prio(this.owner, new DispatcherHookEventArgs(op));
}
}
internal void EmitOperationAborted(DispatcherOperation op)
{
DispatcherHookEventHandler aborted = this.OperationAborted;
if (aborted != null)
{
aborted(this.owner, new DispatcherHookEventArgs(op));
}
}
internal void EmitOperationCompleted(DispatcherOperation op)
{
DispatcherHookEventHandler completed = this.OperationCompleted;
if (completed != null)
{
completed(this.owner, new DispatcherHookEventArgs(op));
}
}
internal void Reprioritize(DispatcherOperation op, DispatcherPriority oldpriority)
{
int oldp = (int)oldpriority;
PokableQueue q = this.priorityQueues[oldp];
lock (q)
{
q.Remove(op);
}
this.Queue(op.Priority, op);
this.hooks.EmitOperationPriorityChanged(op);
}
private void Queue(DispatcherPriority priority, DispatcherOperation x)
{
int p = (int)priority;
PokableQueue q = this.priorityQueues[p];
lock (q)
{
int flag = 1 << p;
q.Enqueue(x);
this.queueBits |= flag;
}
this.hooks.EmitOperationPosted(x);
if (Thread.CurrentThread != this.baseThread)
{
PlatformInterface.Instance.Dispatcher.SendMessage();
}
}
public DispatcherOperation BeginInvoke(DispatcherPriority priority, Delegate method, object arg, params object[] args)
{
if (priority < 0 || priority > DispatcherPriority.Send)
{
throw new InvalidEnumArgumentException("priority");
}
if (priority == DispatcherPriority.Inactive)
{
throw new ArgumentException("priority can not be inactive", "priority");
}
if (method == null)
{
throw new ArgumentNullException("method");
}
DispatcherOperation op = new DispatcherOperation(this, priority, method, arg, args);
this.Queue(priority, op);
return(op);
}
public object Invoke(DispatcherPriority priority, Delegate method)
{
if (priority < 0 || priority > DispatcherPriority.Send)
{
throw new InvalidEnumArgumentException("priority");
}
if (priority == DispatcherPriority.Inactive)
{
throw new ArgumentException("priority can not be inactive", "priority");
}
if (method == null)
{
throw new ArgumentNullException("method");
}
DispatcherOperation op = new DispatcherOperation(this, priority, method);
this.Queue(priority, op);
PushFrame(new DispatcherFrame());
throw new NotImplementedException();
}
public DispatcherHookEventArgs(DispatcherOperation operation)
{
this.operation = operation;
}
public DispatcherHookEventArgs(DispatcherOperation operation)
{
this.operation = operation;
}
private void Queue(DispatcherPriority priority, DispatcherOperation x)
{
int p = (int)priority;
PokableQueue q = this.priorityQueues[p];
lock (q)
{
int flag = 1 << p;
q.Enqueue(x);
this.queueBits |= flag;
}
this.hooks.EmitOperationPosted(x);
if (Thread.CurrentThread != this.baseThread)
{
PlatformInterface.Instance.Dispatcher.SendMessage();
}
}
internal void Reprioritize(DispatcherOperation op, DispatcherPriority oldpriority)
{
int oldp = (int)oldpriority;
PokableQueue q = this.priorityQueues[oldp];
lock (q)
{
q.Remove(op);
}
this.Queue(op.Priority, op);
this.hooks.EmitOperationPriorityChanged(op);
}
public object Invoke(DispatcherPriority priority, Delegate method)
{
if (priority < 0 || priority > DispatcherPriority.Send)
{
throw new InvalidEnumArgumentException("priority");
}
if (priority == DispatcherPriority.Inactive)
{
throw new ArgumentException("priority can not be inactive", "priority");
}
if (method == null)
{
throw new ArgumentNullException("method");
}
DispatcherOperation op = new DispatcherOperation(this, priority, method);
this.Queue(priority, op);
PushFrame(new DispatcherFrame());
throw new NotImplementedException();
}
public DispatcherOperation BeginInvoke(DispatcherPriority priority, Delegate method, object arg, params object[] args)
{
if (priority < 0 || priority > DispatcherPriority.Send)
{
throw new InvalidEnumArgumentException("priority");
}
if (priority == DispatcherPriority.Inactive)
{
throw new ArgumentException("priority can not be inactive", "priority");
}
if (method == null)
{
throw new ArgumentNullException("method");
}
DispatcherOperation op = new DispatcherOperation(this, priority, method, arg, args);
this.Queue(priority, op);
return op;
}
