// zdroj: https://msdn.microsoft.com/en-us/library/system.windows.forms.openfiledialog(v=vs.110).aspx
private void ExportDbtoXml(object sender, RoutedEventArgs e)
{
FolderBrowserDialog fbd = new FolderBrowserDialog();
fbd.Description = "Please, choose directory to save a XML file.";
if (fbd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string selectedPath = fbd.SelectedPath;
_dbContext.SaveToXml($"{selectedPath}//Hockey-export.xml");
}
}