private void FormProgressStatus_Shown(object sender, EventArgs e)
{
//Spawn a separate thread that will monitor if this progress form should has indicated that it needs to close.
//This thread will be a fail-safe in the sense that it will constantly monitor a separate indicator that this window should close.
ODThread threadForceCloseMonitor = new ODThread(100, new ODThread.WorkerDelegate((o) => {
if (_hasClosed)
{
o.QuitAsync(); //Stop monitoring as soon as we detect that this window has been "closed".
return;
}
if (ForceClose)
{
//Something triggered the fact that this form should have closed.
this.InvokeIfRequired(() => {
DialogResult = DialogResult.OK;
ODException.SwallowAnyException(() => Close()); //Can throw exceptions for many reasons.
});
o.QuitAsync(); //We tried our best to "unstuck" this window. The user will have to Alt + F4 this window closed?
return;
}
}));
threadForceCloseMonitor.AddExceptionHandler((ex) => {
ex.DoNothing(); //The form might stay open forever which was already happening... we tried our best.
});
threadForceCloseMonitor.Name = "FormProgressStatusMonitor_" + DateTime.Now.Ticks;
threadForceCloseMonitor.Start();
}
public FormProgressBase(ODEventType odEventType, Type eventType)
{
this.FormClosing += new FormClosingEventHandler(this.FormProgressStatus_FormClosing);
this.FormClosed += new FormClosedEventHandler(this.FormProgressStatus_FormClosed);
this.Shown += new EventHandler(this.FormProgressStatus_Shown);
if (eventType == null)
{
eventType = typeof(ODEvent);
}
_eventType = eventType;
_odEventType = odEventType;
//Registers this form for any progress status updates that happen throughout the entire program.
ODException.SwallowAnyException(() => _eventInfoFired = _eventType.GetEvent("Fired"));
if (_eventInfoFired == null)
{
throw new ApplicationException("The 'eventType' passed into FormProgressStatus does not have a 'Fired' event.\r\n"
+ "Type passed in: " + eventType.GetType());
}
//Register the "Fired" event to the ODEvent_Fired delegate.
Delegate delegateFired = Delegate.CreateDelegate(_eventInfoFired.EventHandlerType, this, "ODEvent_Fired");
MethodInfo methodAddHandler = _eventInfoFired.GetAddMethod();
methodAddHandler.Invoke(this, new object[] { delegateFired });
}