Warning, /frameworks/syntax-highlighting/autotests/folding/csharp.cs.fold is written in an unsupported language. File is not indexed.

 // this is a single-line comment
 // NOTE ### FIXME TODO
 
 <beginfold id='1'>/*</beginfold id='1'> this is a
    multi-line comment
 <endfold id='1'>*/</endfold id='1'>
 
 <beginfold id='1'>/*</beginfold id='1'> this is another
  * multiline comment
  * NOTE ### FIXME TODO
  <endfold id='1'>*/</endfold id='1'>
 
 <beginfold id='2'>/** </beginfold id='2'>this is another
  * multiline comment
  * NOTE ### FIXME TODO
  <endfold id='2'>*/</endfold id='2'>
 
 // simple assignment
 var i = 5;
 
 var j = // assignment missing, still should be nice highlighting
 var k   // assignment missing, still should be nice highlighting
 
 // test a string
 var s = "Hello World!";
 
 // arr is an array
 var arr = new[] <beginfold id='3'>{</beginfold id='3'> 0, 1, 2, 3, 4 <endfold id='3'>}</endfold id='3'>;
 
 // expr is compiled as IEnumerable<Customer>
 // or perhaps IQueryable<Customer>
 var expr =
     from c in customers
     where c.City == "London"
     select c;
 
 // compiled anonymous type
 var anon = new <beginfold id='3'>{</beginfold id='3'> Country = "Germany", Inhabitants = 80000000 <endfold id='3'>}</endfold id='3'>;