Add code example for CA1720 rule (#48958)

docs/fundamentals/code-analysis/quality-rules/ca1720.md

@@ -10,6 +10,8 @@ helpviewer_keywords:
 - CA1720
 author: gewarren
 ms.author: gewarren
+dev_langs:
+- CSharp
 ---
 # CA1720: Identifiers should not contain type names
 
@@ -91,6 +93,10 @@ Replace the data type identifier in the name of the parameter with either a term
 
 Replace the language-specific data type identifier in the name of the member with a term that better describes its meaning, a language-independent equivalent, or a more generic term, such as 'value'.
 
+## Example
+
+:::code language="csharp" source="snippets/csharp/all-rules/ca1720.cs" id="snippet1":::
+
 ## When to suppress warnings
 
 Occasional use of type-based parameter and member names might be appropriate. However, for new development, no known scenarios occur where you should suppress a warning from this rule. For libraries that have previously shipped, you might have to suppress a warning from this rule.

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1720.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace ca1720
+{
+    //<snippet1>
+    // This code violates the rule.
+    public class Short
+    {
+        public int Int32 { get; set; }
+        public Guid Guid { get; set; }
+
+        public void Float(int int32) { }
+    }
+    //</snippet1>
+}