private async void ExecuteLongOperation()
{
using (var cancellationTokenSource = new CancellationTokenSource())
{
var operationMonitor = new WindowOperationMonitor(cancellationTokenSource)
{
Owner = Application.Current.MainWindow
};
operationMonitor.Show();
Exception exception = null;
try
{
OnBeforeExecute();
await ContextAction.ExecutionHandler.ExecutionHandlerAsync(ContextAction.ExecutionContext, cancellationTokenSource.Token);
}
catch (TaskCanceledException) { }
catch (Exception e)
{
exception = e;
}
finally
{
OnAfterExecute();
operationMonitor.Close();
}
if (exception != null)
{
ShowErrorMessage(exception);
}
}
}
private async void ExecuteLongOperation()
{
using (var cancellationTokenSource = new CancellationTokenSource())
{
var operationMonitor = new WindowOperationMonitor(cancellationTokenSource) { Owner = Application.Current.MainWindow };
operationMonitor.Show();
Exception exception = null;
try
{
OnBeforeExecute();
await ContextAction.ExecutionHandler.ExecutionHandlerAsync(ContextAction.ExecutionContext, cancellationTokenSource.Token);
}
catch (TaskCanceledException) { }
catch (Exception e)
{
exception = e;
}
finally
{
OnAfterExecute();
operationMonitor.Close();
}
if (exception != null)
{
ShowErrorMessage(exception);
}
}
}
private async Task ExportData(IDataExporter dataExporter, ExportOptions exportOptions)
{
using (var cancellationTokenSource = new CancellationTokenSource())
{
var operationMonitor = new WindowOperationMonitor(cancellationTokenSource) { IsIndeterminate = false };
operationMonitor.Show();
var exception = await App.SafeActionAsync(
async delegate
{
using (var exportContext = await dataExporter.StartExportAsync(exportOptions, DataExportHelper.GetOrderedExportableColumns(ResultGrid), _outputViewer.DocumentPage.InfrastructureFactory.DataExportConverter, cancellationTokenSource.Token))
{
exportContext.SetProgress(_resultRows.Count, operationMonitor);
await exportContext.AppendRowsAsync(_resultRows);
await exportContext.FinalizeAsync();
}
});
operationMonitor.Close();
var isOperationCanceledException = exception is OperationCanceledException;
if (exception != null && !isOperationCanceledException)
{
Messages.ShowError(exception.Message);
}
}
}
