fix example formatting (#3809)

* fix example formatting

* Update Directory.xml

Author: mairaw

xml/System.IO/Directory.xml

@@ -176,36 +176,31 @@
    
   
 ## Examples  
- The following example creates and deletes the specified directory.  
+ 
+The following example creates and deletes the specified directory:
   
- [!code-cpp[Dir_CreateDir#1](~/samples/snippets/cpp/VS_Snippets_CLR/Dir_CreateDir/CPP/dir_createdir.cpp#1)]
- [!code-csharp[Dir_CreateDir#1](~/samples/snippets/csharp/VS_Snippets_CLR/Dir_CreateDir/CS/dir_createdir.cs#1)]
- [!code-vb[Dir_CreateDir#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Dir_CreateDir/VB/dir_createdir.vb#1)]  
+[!code-cpp[Dir_CreateDir#1](~/samples/snippets/cpp/VS_Snippets_CLR/Dir_CreateDir/CPP/dir_createdir.cpp#1)]
+[!code-csharp[Dir_CreateDir#1](~/samples/snippets/csharp/VS_Snippets_CLR/Dir_CreateDir/CS/dir_createdir.cs#1)]
+[!code-vb[Dir_CreateDir#1](~/samples/snippets/visualbasic/VS_Snippets_CLR/Dir_CreateDir/VB/dir_createdir.vb#1)]  
   
- To create the directory C:\Users\User1\Public\Html when the current directory is C:\Users\User1, use any of the following calls to ensure that the backslash is interpreted properly.  
+To create the directory *C:\Users\User1\Public\Html* when the current directory is *C:\Users\User1*, use any of the following calls to ensure that the backslash is interpreted properly:
   
- In Visual Basic:  
-  
-```  
+```vb  
 Directory.CreateDirectory("Public\Html")   
-    Directory.CreateDirectory("\Users\User1\Public\Html")   
-    Directory.CreateDirectory("c:\Users\User1\Public\Html")  
-```  
-  
- In C#:  
-  
+Directory.CreateDirectory("\Users\User1\Public\Html")   
+Directory.CreateDirectory("c:\Users\User1\Public\Html")  
 ```  
+
+```csharp  
 Directory.CreateDirectory("Public\\Html");  
-    Directory.CreateDirectory("\\Users\\User1\\Public\\Html");  
-    Directory.CreateDirectory("c:\\Users\\User1\\Public\\Html");  
+Directory.CreateDirectory("\\Users\\User1\\Public\\Html");  
+Directory.CreateDirectory("c:\\Users\\User1\\Public\\Html");  
 ```  
   
- In C++:  
-  
-```  
+```cpp
 Directory::CreateDirectory("Public\\Html");  
-    Directory::CreateDirectory("\\Users\\User1\\Public\\Html");  
-    Directory::CreateDirectory("c:\\Users\\User1\\Public\\Html");  
+Directory::CreateDirectory("\\Users\\User1\\Public\\Html");  
+Directory::CreateDirectory("c:\\Users\\User1\\Public\\Html");  
 ```  
   
  ]]></format>