private void Contains(object obj)
{
if (SelectedTree == null)
{
MessageBox.Show("No active tree", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
string result;
View.ContainsWindow containsWindow = new View.ContainsWindow();
if (containsWindow.ShowDialog() == true)
{
result = (SelectedTree.Contains(containsWindow.Value) ? "Exists" : "Doesn`t exists!");
MessageBox.Show(result, "Result", MessageBoxButton.OK, MessageBoxImage.Asterisk);
}
else if (containsWindow.DialogResult.HasValue && !containsWindow.DialogResult.Value)
{
return;
}
else
{
MessageBox.Show("Invalid Operation", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
