public void ValueChanged(Control sourceControl, ServerProcessCompleted eventHandler)
{
if (sourceControl == null)
{
return;
}
ServerProcessEventArgs request = new ServerProcessEventArgs();
request.RequestType = ServerProcessRequestType.ValueChanged;
request.SourceControl = sourceControl;
request.Completed += new ServerProcessCompleted(eventHandler);
lock (serverProcessQueueSyncRoot) {
serverProcessQueue.Enqueue(request);
}
ProcessServerQueue();
return;
}
public void RaiseEvent(Control eventControl, String eventName, ServerProcessCompleted eventHandler)
{
if (eventControl == null)
{
return;
}
ServerProcessEventArgs request = new ServerProcessEventArgs();
request.RequestType = ServerProcessRequestType.RaiseEvent;
request.SourceControl = eventControl;
request.EventName = eventName;
request.Completed += new ServerProcessCompleted(eventHandler);
lock (serverProcessQueueSyncRoot) {
serverProcessQueue.Enqueue(request);
}
ProcessServerQueue();
return;
}
private void RaiseEventCompleted(Object sender, Server.Application.FormControl_RaiseEventCompletedEventArgs e)
{
ServerProcessEventArgs request = null;
lock (serverProcessQueueSyncRoot) {
request = serverProcessQueue.Dequeue();
}
if (request != null)
{
request.ProcessEndTime = DateTime.Now;
System.Diagnostics.Debug.WriteLine("Form Process: " + DateTime.Now.Subtract(request.ProcessStartTime).Milliseconds.ToString());
}
if ((!e.Cancelled) && (e.Error == null) && (e.Result != null))
{
if (!e.Result.HasException)
{
DateTime updateStartTime = DateTime.Now;
UpdateControl(e.Result.Form);
System.Diagnostics.Debug.WriteLine("Form Update Controls: " + DateTime.Now.Subtract(updateStartTime).Milliseconds.ToString());
}
}
if (request != null)
{
if (request.Completed != null)
{
request.Completed(this, request);
}
}
isServerProcessing = false;
ProcessServerQueue();
return;
}
private void ProcessServerQueue()
{
if (isServerProcessing)
{
return;
}
if (serverProcessQueue.Count == 0)
{
return;
}
isServerProcessing = true; // MARK PROCESSING FOR SINGLE THREADING
ServerProcessEventArgs request = null;
Boolean cancelProcessing = false;
lock (serverProcessQueueSyncRoot) {
request = serverProcessQueue.Peek(); // PEEK TO RETREIVE NEXT QUEUE ITEM FOR PROCESS (COMPLETION DEQUEUES THE ITEM)
}
if (request != null)
{
switch (request.RequestType)
{
case ServerProcessRequestType.RaiseEvent:
if (request.SourceControl.HasEventHandler(request.EventName))
{
request.ProcessStartTime = DateTime.Now;
Application.FormControl_RaiseEvent((Server.Application.Form) this.ToServerObject(), request.SourceControl.ControlId, request.EventName, RaiseEventCompleted);
}
else
{
cancelProcessing = true;
}
break;
case ServerProcessRequestType.ValueChanged:
if ((eventHandlers.Count > 0) || (HasDependencyDataBinding))
{
request.ProcessStartTime = DateTime.Now;
Application.FormControl_ValueChanged((Server.Application.Form) this.ToServerObject(), request.SourceControl.ControlId, ValueChangedCompleted);
}
else
{
cancelProcessing = true;
}
break;
default: cancelProcessing = true; break;
}
}
else
{
cancelProcessing = true;
}
if (cancelProcessing)
{
lock (serverProcessQueueSyncRoot) {
request = serverProcessQueue.Dequeue();
isServerProcessing = false;
}
}
if (!isServerProcessing)
{
ProcessServerQueue();
}
return;
}
