Add example to C26493

Author: JordanMaples

docs/code-quality/c26493.md

@@ -4,7 +4,20 @@ ms.date: 03/22/2018
 ms.topic: reference
 f1_keywords: ["C26493"]
 helpviewer_keywords: ["C26493"]
+description: CppCoreCheck rule that enforces C++ Core Guidelines Type.4
 ---
 # C26493 NO_CSTYLE_CAST
 
-Don't use C-style casts. See [C++ Core Guidelines Type.4](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#SS-type).
+Don't use C-style casts. 
+
+## See also
+[C++ Core Guidelines Type.4](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#SS-type).
+
+## Example
+```cpp
+void function(const int* const_i)
+{
+    int* nonconst_i = (int*)const_i; // C26493 Don't use C-style casts
+    int i = (int)*const_i; // C26493 Don't use C-style casts
+}
+```