C # Traversal Enumeration class

In the Framework 4.0 environment

Method

defining enum Classes

Determine if the enumeration class exists, and if so, the output

Example:

Defined.QrCode.QrCodeType type; // Enum class if (! Enum.tryparse<defined.qrcode.qrcodetype> (AA, out type)) {     context. Response.Write (" enum class does not exist ")     ; return NULL ;}

Framework version 4.0 or less

Define a hash table or list collection, and then verify that the value in the collection exists to validate

list<string> lst=new list<string>(); foreach inch Enum.getvalues (typeof(Testenum))) {     Lst.add (item);} if (Lst.contains ("aa")) {    MessageBox.Show (" contains AA ")}

C # Traversal Enumeration class