void MnImportConfigClick(object sender, EventArgs e)
{
string filename = null;
using (System.Windows.Forms.OpenFileDialog ofd = new OpenFileDialog())
{
ofd.Filter = "GCODE Files|*.nc;*.gcode";
ofd.CheckFileExists = true;
ofd.Multiselect = false;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
filename = ofd.FileName;
}
}
Core.ImportConfig(filename);
}