void ProgressDialogTestWithCancelButton()
{
// Easy way to pass data to the async method
int millisecondsTimeout = 1500;
ProgressDialogResult result = ProgressDialog.Execute(this, "Loading data", (bw, we) => {
for (int i = 1; i <= 5; i++)
{
if (ProgressDialog.ReportWithCancellationCheck(bw, we, "Executing step {0}/5...", i))
{
return;
}
Thread.Sleep(millisecondsTimeout);
}
// So this check in order to avoid default processing after the Cancel button has been pressed.
// This call will set the Cancelled flag on the result structure.
ProgressDialog.CheckForPendingCancellation(bw, we);
}, ProgressDialogSettings.WithSubLabelAndCancel);
if (result.Cancelled)
{
MessageBox.Show("ProgressDialog cancelled.");
}
else if (result.OperationFailed)
{
MessageBox.Show("ProgressDialog failed.");
}
else
{
MessageBox.Show("ProgressDialog successfully executed.");
}
}
void ProgressDialogTestDefault()
{
ProgressDialogResult result = ProgressDialog.Execute(this, "Loading data...", (bw, we) => {
Thread.Sleep(4000);
});
if (result.OperationFailed)
{
MessageBox.Show("ProgressDialog failed.");
}
else
{
MessageBox.Show("ProgressDialog successfully executed.");
}
}
internal static void Execute(Window owner, string label, Action operation, Action <ProgressDialogResult> successOperation, Action <ProgressDialogResult> failureOperation = null, Action <ProgressDialogResult> cancelledOperation = null)
{
ProgressDialogResult result = ExecuteInternal(owner, label, operation, null);
if (result.Cancelled && cancelledOperation != null)
{
cancelledOperation(result);
}
else if (result.OperationFailed && failureOperation != null)
{
failureOperation(result);
}
else if (successOperation != null)
{
successOperation(result);
}
}
void ProgressDialogTestWithSubLabel()
{
ProgressDialogResult result = ProgressDialog.Execute(this, "Loading data", (bw) => {
for (int i = 1; i <= 5; i++)
{
ProgressDialog.Report(bw, "Executing step {0}/5...", i);
Thread.Sleep(1500);
}
}, ProgressDialogSettings.WithSubLabel);
if (result.OperationFailed)
{
MessageBox.Show("ProgressDialog failed.");
}
else
{
MessageBox.Show("ProgressDialog successfully executed.");
}
}
internal ProgressDialogResult Execute(object operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
ProgressDialogResult result = null;
_isBusy = true;
_worker = new BackgroundWorker();
_worker.WorkerReportsProgress = true;
_worker.WorkerSupportsCancellation = true;
_worker.DoWork +=
(s, e) => {
try
{
ProgressDialog.Current = new ProgressDialogContext(s as BackgroundWorker, e as DoWorkEventArgs);
if (operation is Action)
{
((Action)operation)();
}
else if (operation is Func <object> )
{
e.Result = ((Func <object>)operation)();
}
else
{
throw new InvalidOperationException("Operation type is not supoorted");
}
// NOTE: Always do this check in order to avoid default processing after the Cancel button has been pressed.
// This call will set the Cancelled flag on the result structure.
ProgressDialog.Current.CheckCancellationPending();
}
catch (ProgressDialogCancellationExcpetion)
{ }
catch (Exception ex)
{
if (!ProgressDialog.Current.CheckCancellationPending())
{
throw ex;
}
}
finally
{
ProgressDialog.Current = null;
}
};
_worker.RunWorkerCompleted +=
(s, e) => {
result = new ProgressDialogResult(e);
Dispatcher.BeginInvoke(DispatcherPriority.Send, (SendOrPostCallback) delegate {
_isBusy = false;
Close();
}, null);
};
_worker.ProgressChanged +=
(s, e) => {
if (!_worker.CancellationPending)
{
SubLabel = (e.UserState as string) ?? string.Empty;
ProgressBar.Value = e.ProgressPercentage;
}
};
_worker.RunWorkerAsync();
ShowDialog();
return(result);
}
internal ProgressDialogResult Execute(object operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
ProgressDialogResult result = null;
_isBusy = true;
_worker = new BackgroundWorker();
_worker.WorkerReportsProgress = true;
_worker.WorkerSupportsCancellation = true;
_worker.DoWork +=
(s, e) =>
{
if (operation is Action)
{
((Action)operation)();
}
else if (operation is Action <BackgroundWorker> )
{
((Action <BackgroundWorker>)operation)(s as BackgroundWorker);
}
else if (operation is Action <BackgroundWorker, DoWorkEventArgs> )
{
((Action <BackgroundWorker, DoWorkEventArgs>)operation)(s as BackgroundWorker, e);
}
else if (operation is Func <object> )
{
e.Result = ((Func <object>)operation)();
}
else if (operation is Func <BackgroundWorker, object> )
{
e.Result = ((Func <BackgroundWorker, object>)operation)(s as BackgroundWorker);
}
else if (operation is Func <BackgroundWorker, DoWorkEventArgs, object> )
{
e.Result = ((Func <BackgroundWorker, DoWorkEventArgs, object>)operation)(s as BackgroundWorker, e);
}
else
{
throw new InvalidOperationException("Operation type is not supoorted");
}
};
_worker.RunWorkerCompleted +=
(s, e) =>
{
result = new ProgressDialogResult(e);
Dispatcher.BeginInvoke(DispatcherPriority.Send, (SendOrPostCallback) delegate
{
_isBusy = false;
Close();
}, null);
};
_worker.ProgressChanged +=
(s, e) =>
{
if (!_worker.CancellationPending)
{
SubLabel = (e.UserState as string) ?? string.Empty;
ProgressBar.Value = e.ProgressPercentage;
}
};
_worker.RunWorkerAsync();
//Modified: JSandusky => ShowDialog to Show
Show();
return(result);
}
internal ProgressDialogResult Execute(object operation)
{
if (operation == null)
throw new ArgumentNullException("operation");
ProgressDialogResult result = null;
_isBusy = true;
_worker = new BackgroundWorker();
_worker.WorkerReportsProgress = true;
_worker.WorkerSupportsCancellation = true;
_worker.DoWork +=
(s, e) =>
{
if (operation is Action)
((Action)operation)();
else if (operation is Action<BackgroundWorker>)
((Action<BackgroundWorker>)operation)(s as BackgroundWorker);
else if (operation is Action<BackgroundWorker, DoWorkEventArgs>)
((Action<BackgroundWorker, DoWorkEventArgs>)operation)(s as BackgroundWorker, e);
else if (operation is Func<object>)
e.Result = ((Func<object>)operation)();
else if (operation is Func<BackgroundWorker, object>)
e.Result = ((Func<BackgroundWorker, object>)operation)(s as BackgroundWorker);
else if (operation is Func<BackgroundWorker, DoWorkEventArgs, object>)
e.Result = ((Func<BackgroundWorker, DoWorkEventArgs, object>)operation)(s as BackgroundWorker, e);
else
throw new InvalidOperationException("Operation type is not supoorted");
};
_worker.RunWorkerCompleted +=
(s, e) =>
{
result = new ProgressDialogResult(e);
Dispatcher.BeginInvoke(DispatcherPriority.Send, (SendOrPostCallback)delegate
{
_isBusy = false;
Close();
}, null);
};
_worker.ProgressChanged +=
(s, e) =>
{
if (!_worker.CancellationPending)
{
SubLabel = (e.UserState as string) ?? string.Empty;
ProgressBar.Value = e.ProgressPercentage;
}
};
_worker.RunWorkerAsync();
//Modified: JSandusky => ShowDialog to Show
Show();
return result;
}
