Update GetEnumeratorItemType.md

Author: SoftStoneDevelop

Documentation/Stack/GetEnumeratorItemType.md

@@ -1 +1,13 @@
+# IEnumerator<{ItemType}> GetEnumerator() Method
 
+## Definition
+Returns an enumerator that iterates through the collection.
+
+```C#
+public System.Collections.Generic.IEnumerator<{ItemType}> GetEnumerator()
+```
+
+## Returns
+`System.Collections.Generic.IEnumerator<{ItemType}>`
+
+An IEnumerator<{ItemType}> that can be used to iterate through the collection.