public override async Task <DialogResult> ShowModal()
{
foreach (var package in await session.SuggestPackagesToAdd())
{
if (Filter == null || Filter(package))
{
Packages.Add(package);
}
}
selectedPackages.Clear();
await base.ShowModal();
if (Result == Presentation.Services.DialogResult.Ok)
{
selectedPackages.AddRange(PackageListBox.SelectedItems.Cast <PickablePackageViewModel>());
}
return(Result);
}