private Task <MessageBoxResult> ShowMessageBox(string message, string caption, MessageBoxButton button, MessageBoxImage icon)
{
message.AssertNotNull(nameof(message));
caption.AssertNotNull(nameof(caption));
var ownerWindow = _ownerWindowProvider.GetOwnerWindow();
if (ownerWindow == null)
{
return(Task.FromResult(MessageBox.Show(message, caption, button, icon)));
}
return(Task.FromResult(MessageBox.Show(ownerWindow, message, caption, button, icon)));
}
private Task <string> ShowDialog <TDialog>(IEnumerable <FileDialogFilter> filters, string initialPath = null, Action <TDialog> configureDialog = null)
where TDialog : FileDialog, new()
{
filters.AssertNotNull(nameof(filters));
var ownerWindow = _ownerWindowProvider.GetOwnerWindow();
var dialog = CreateDialog(filters, initialPath, configureDialog);
if (dialog.ShowDialog(ownerWindow) == true)
{
return(Task.FromResult(dialog.FileName));
}
throw new OperationCanceledException();
}