public void SaveGraphAs(object sender, EventArgs e)
{
using (var fd = new SaveFileDialog())
{
fd.DefaultExt = "*.grf";
fd.Filter = "Graph files (*.grf)|*.grf|All files (*.*)|*.*";
if (fd.ShowDialog() == DialogResult.OK)
{
graph.SaveGraph(fd.FileName);
savedFileName = fd.FileName;
Text = savedFileName;
}
}
}
