<?xml version="1.0"?>
<ErrorDocumentation xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ErrorName>CS1951</ErrorName>
  <Examples>
    <string>// CS1951: An expression tree parameter cannot use `ref' or `out' modifier
// Line: 13

using System;
using System.Linq.Expressions;

class C
{
	delegate int D (out int a);
	
	public static void Main ()
	{
		Expression&lt;D&gt; e = (out int a) =&gt; a = 0;
	}
}
</string>
    <string>// CS1951: An expression tree parameter cannot use `ref' or `out' modifier
// Line: 13

using System;
using System.Linq.Expressions;

class C
{
	delegate int D (ref int a);
	
	public static void Main ()
	{
		Expression&lt;D&gt; e = (ref int a) =&gt; a;
	}
}
</string>
  </Examples>
</ErrorDocumentation>