private async void btnImport_Click(object sender, EventArgs e)
{
IProgress <decimal> p = new Progress <decimal>(ImportProgressUpdate);
btnImport.Enabled = false;
await Task.Run(() =>
{
var list = new List <Transaction>();
for (int i = 0; i < Data.Count; i++)
{
list.Add(Data[i].AsTransaction());
p.Report((decimal)i / Data.Count * 100.0m);
}
return(list);
})
.ContinueWith(f =>
{
return(ContextHelpers.AddTransactions(f.Result.ToArray()));
}).Unwrap()
.ContinueWith(v =>
{
btnImport.Enabled = true;
this.lblPercentage.Text = string.Empty;
this.progressBar1.Value = 0;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
