<FlagsAttribute> _
Public Enumeration SaveOptions

Dim instance As SaveOptions

[FlagsAttribute]
public enum SaveOptions

[FlagsAttribute]
public enum class SaveOptions

[<FlagsAttribute>]
type SaveOptions

string str;
XElement root = XElement.Parse(@"<Root> <Child> Text </Child> </Root>");

root.Save("Root.xml", SaveOptions.DisableFormatting);
str = File.ReadAllText("Root.xml");
Console.WriteLine(str);

Console.WriteLine("=====");

root.Save("Root.xml", SaveOptions.None);
str = File.ReadAllText("Root.xml");
Console.WriteLine(str);

Dim str As String
Dim root As XElement = <Root><Child> Text </Child></Root>

root.Save("Root.xml", SaveOptions.DisableFormatting)
str = File.ReadAllText("Root.xml")
Console.WriteLine(str)

Console.WriteLine("=====")

root.Save("Root.xml", SaveOptions.None)
str = File.ReadAllText("Root.xml")
Console.WriteLine(str)

<?xml version="1.0" encoding="utf-8"?><Root><Child> Text </Child></Root>
=====
<?xml version="1.0" encoding="utf-8"?>
<Root>
  <Child> Text </Child>
</Root>