private void save() { if (container == null) { return; } var file = new SaveFileDialog(); file.FileName = Path.GetFileName(container_path); file.Filter = "scn|*.scn"; if (file.ShowDialog() == DialogResult.OK) { container.Write(file.FileName); MessageBox.Show($"{Path.GetFileName(file.FileName)} successfully saved", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); } }