private void Import()
{
var fileName = _uiService.ShowOpenDialog ("Import Profiles");
if (fileName == null)
return;
var reportBuilder = new StringBuilder ();
var newOptions = _optionTasks.LoadOptions(fileName);
var mergedOptions = _optionTasks.ProfileExportProcessor.PrepareAndMergeForImport(GetOptionsCollection(), newOptions, s => reportBuilder.AppendLine (s));
SetOptionsCollection(mergedOptions);
reportBuilder.AppendLine ($"Sucessfully imported {newOptions.Length} profile(s) from '{fileName}'.");
_uiService.ShowReport ("Export profiles", reportBuilder.ToString ());
}