private void ExecuteInternal(Action <CancellationToken, IProgress <string> > action,
ProgressDialogOptions options, bool isCancellable = true)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
using (var cancellationTokenSource = new CancellationTokenSource())
{
CancellationToken cancellationToken = cancellationTokenSource.Token;
var cancelCommand = isCancellable ? new CancelCommand(cancellationTokenSource) : null;
var viewModel = new ProgressDialogWindowViewModel(
options, cancellationToken, cancelCommand);
var window = new ProgressDialogWindow
{
DataContext = viewModel
};
var task = taskFactory
.StartNew(() => action(cancellationToken, viewModel.Progress),
cancellationToken);
task.ContinueWith(_ => viewModel.Close = true);
window.ShowDialog();
}
}
private bool TryExecuteInternal <T>(
Func <CancellationToken, IProgress <string>, T> action,
ProgressDialogOptions options, out T result, bool isCancellable = true)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
using (var cancellationTokenSource = new CancellationTokenSource())
{
CancellationToken cancellationToken = cancellationTokenSource.Token;
var cancelCommand = isCancellable ? new CancelCommand(cancellationTokenSource) : null;
var viewModel = new ProgressDialogWindowViewModel(
options, cancellationToken, cancelCommand);
var window = new ProgressDialogWindow
{
DataContext = viewModel
};
var task = taskFactory
.StartNew(() => action(cancellationToken, viewModel.Progress),
cancellationToken);
task.ContinueWith(_ => viewModel.Close = true);
window.ShowDialog();
if (task.IsCanceled)
{
result = default(T);
return(false);
}
if (task.IsCompleted)
{
result = task.Result;
return(true);
}
result = default(T);
return(false);
}
}
async private Task ExecuteAsyncInternal(
Func <CancellationToken, IProgress <string>, Task> action,
ProgressDialogOptions options, bool isCancellable = true)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
using (var cancellationTokenSource = new CancellationTokenSource())
{
CancellationToken cancellationToken = cancellationTokenSource.Token;
var cancelCommand = isCancellable ? new CancelCommand(cancellationTokenSource) : null;
var viewModel = new ProgressDialogWindowViewModel(
options, cancellationToken, cancelCommand);
var window = new ProgressDialogWindow
{
DataContext = viewModel
};
Task task = action(cancellationToken, viewModel.Progress);
task.ContinueWith(_ => viewModel.Close = true);
window.ShowDialog();
await task;
}
}
