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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Hyperlinked ECMA C# Language Specification</title><meta name="author" content="Jon Jagger" /><link rel="stylesheet" href="ecma334.css"></link></head><body><div align="right"><em><a href="http://www.jaggersoft.com">Jon Jagger</a></em></div><div align="right"><a href="mailto:jon@jaggersoft.com">jon@jaggersoft.com</a></div><form method="get" action="http://search.atomz.com/search/"><input size="30" name="sp-q"></input><input type="submit" value="Search C# Spec"></input><input type="hidden" name="sp-a" value="sp10024177"></input><input type="hidden" name="sp-f" value="ISO-8859-1"></input></form><a href="toc.htm">Table of Contents</a> <a href="1.htm">1</a> <a href="2.htm">2</a> <a href="3.htm">3</a> <a href="4.htm">4</a> <a href="5.htm">5</a> <a href="6.htm">6</a> <a href="7.htm">7</a> <a href="8.htm">8</a> <a href="9.htm">9</a> <a href="10.htm">10</a> <a href="11.htm">11</a> <a href="12.htm">12</a> <a href="13.htm">13</a> <a href="14.htm">14</a> <a href="15.htm">15</a> <a href="16.htm">16</a> <a href="17.htm">17</a> <a href="18.htm">18</a> <a href="19.htm">19</a> <a href="20.htm">20</a> <a href="21.htm">21</a> <a href="22.htm">22</a> <a href="23.htm">23</a> <a href="24.htm">24</a> <a href="25.htm">25</a> <a href="notes.htm">Notes</a> <a href="HyperlinkedCSharpECMA.zip">Download</a><span class="ruler"></span><span class="heading">ECMA-334 C# Language Specification</span><span class="navigate"><a href="21.3.htm"><img src="previous.gif" alt="previous" border="0" /></a><a href="22.htm"><img src="next.gif" alt="next" border="0" /></a></span><span class="clause-depth"><a href="20.htm"><img src="previous.gif" alt="previous at this level" border="0" /></a><a href="22.htm"><img src="next.gif" alt="next at this level" border="0" /></a> <span class="clause-number-link"><a href="21.htm">21</a></span><span class="clause-title-previous"> Enums</span></span><span class="clause-depth"><a href="21.3.htm"><img src="previous.gif" alt="previous at this level" border="0" /></a><a href="21.4.htm"><img src="next.gif" alt="next at this level" border="0" /></a> <span class="clause-number">21.4</span><span class="clause-title"> Enum values and operations</span></span><span class="locator">
     Paragraph 1</span><span class="paragraph"><span class="sentence"><span class="sentence-number">1</span> <a name="P1S1"></a>Each enum type defines a distinct type; an explicit enumeration conversion (<a href="13.2.2.htm">&#167;13.2.2</a>) is required to convert between an enum type and an integral type, or between two enum types.</span> <span class="sentence"><span class="sentence-number">2</span> <a name="P1S2"></a>The set of values that an enum type can take on is not limited by its enum members.</span> <span class="sentence"><span class="sentence-number">3</span> <a name="P1S3"></a>In particular, any value of the underlying type of an enum can be cast to the enum type, and is a distinct valid value of that enum type.</span> </span><span class="locator">
     Paragraph 2</span><span class="paragraph"><span class="sentence"><span class="sentence-number">1</span> <a name="P2S1"></a>Enum members have the type of their containing enum type (except within other enum member initializers: see <a href="21.3.htm">&#167;21.3</a>).</span> <span class="sentence"><span class="sentence-number">2</span> <a name="P2S2"></a>The value of an enum member declared in enum type E with associated value v is (E)v.</span> </span><span class="locator">
     Paragraph 3</span><span class="paragraph"><span class="sentence"><span class="sentence-number">1</span> <a name="P3S1"></a>The following operators can be used on values of enum types: ==, !=, &lt;, &gt;, &lt;=, &gt;= (<a href="14.9.5.htm">&#167;14.9.5</a>), + (<a href="14.7.4.htm">&#167;14.7.4</a>),  (<a href="14.7.5.htm">&#167;14.7.5</a>), -^, &amp;, | (<a href="14.10.2.htm">&#167;14.10.2</a>), ~ (<a href="14.6.4.htm">&#167;14.6.4</a>), ++,  (<a href="14.5.9.htm">&#167;14.5.9</a> --and <a href="14.6.5.htm">&#167;14.6.5</a>), and sizeof (<a href="25.5.4.htm">&#167;25.5.4</a>).</span> </span><span class="locator">
     Paragraph 4</span><span class="paragraph"><span class="sentence"><span class="sentence-number">1</span> <a name="P4S1"></a>Every enum type automatically derives from the class System.Enum.</span> <span class="sentence"><span class="sentence-number">2</span> <a name="P4S2"></a>Thus, inherited methods and properties of this class can be used on values of an enum type.</span> </span><span class="ruler"></span><table><tr><td><table align="left" bgcolor="navy"><tr bgcolor="navy"><td><font face="Arial,sans-serif" size="6" color="yellow"><strong>{ JSL }</strong></font></td></tr></table></td></tr><tr><td><font face="Arial,sans-serif" size="2" color="navy"><strong>Jagger Software Ltd</strong></font></td></tr><tr><td><font face="Arial,sans-serif" size="2" color="navy"><strong>Company # 4070126</strong></font></td></tr><tr><td><font face="Arial,sans-serif" size="2" color="navy"><strong>VAT # 762 5213 42</strong></font></td></tr></table><img src="valid-html401.png" align="left" height="31" width="88" alt="Valid HTML 4.01" /><img src="vcss.gif" align="left" height="31" width="88" alt="Valid CSS" /></body></html>
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