Implement GetCommands() on $psEditor

Author: kamilkosek

Diff for: src/PowerShellEditorServices/Extensions/EditorObject.cs

@@ -90,6 +90,14 @@ public void UnregisterCommand(string commandName)
             this.extensionService.UnregisterCommand(commandName);
         }
 
+        /// <summary>
+        /// Returns all registered EditorCommands.
+        /// </summary>
+        /// <returns>An Array of all registered EditorCommands.</return>
+        public EditorCommand[] GetCommands()
+        {
+            return this.extensionService.GetCommands();
+        }
         /// <summary>
         /// Gets the EditorContext which contains the state of the editor
         /// at the time this method is invoked.

Diff for: src/PowerShellEditorServices/Extensions/ExtensionService.cs

@@ -170,6 +170,16 @@ public void UnregisterCommand(string commandName)
             }
         }
 
+        /// <summary>
+        /// Returns all registered EditorCommands.
+        /// </summary>
+        /// <returns>An Array of all registered EditorCommands.</return>
+        public EditorCommand[] GetCommands()
+        {
+            EditorCommand[] commands = new EditorCommand[this.editorCommands.Count];
+            this.editorCommands.Values.CopyTo(commands,0);
+            return commands;
+        }
         #endregion
 
         #region Events