private void mi_ToggleBP_Click(object sender, EventArgs e)
{
if (GCodes.SelectedItems != null && GCodes.SelectedItems.Count >= 1)
{
GCodeListViewItem gcode = GCodes.SelectedItems[0] as GCodeListViewItem;
if (gcode != null)
{
gcode.Breakpoint = !gcode.Breakpoint;
SetGCodeRowAttributes(gcode);
}
}
}