public static void RemoveFocusOffset(FocusOffset f)
{
XElement ElementToRemove = TCFSettingsDocument.Descendants().Single(i => i.Name == "TCFSettings").
Descendants().Single(j => j.Name == "FocusOffsets").Descendants("Offset").Single(k => k.Value == f.OffsetName + f.OffsetSteps.ToString());
ElementToRemove.Remove();
TCFSettingsDocument.Save(xpath);
}
public static void AddFocusOffset(FocusOffset f)
{
XElement Name = new XElement("Name", f.OffsetName);
XElement Steps = new XElement("Steps", f.OffsetSteps.ToString());
XElement Offset = new XElement("Offset", new object[] { Name, Steps });
// Add the offset to the offsets section of the file.
XElement MainElement = TCFSettingsDocument.Descendants().Single(i => i.Name == "TCFSettings").
Descendants().Single(j => j.Name == "FocusOffsets");
MainElement.Add(Offset);
TCFSettingsDocument.Save(xpath);
}