IParamsProvider.UpdateParam(...) returns CfgUpdateFlags now.

Config/Entities/IParamsProvider.cs

@@ -1,6 +1,8 @@
 ///
 /// Copyright (c) 2013-2018 Sensus Slovensko a.s.
 ///
+using System;
+using System.Collections.Generic;
 using System.Xml.Serialization;
 
 namespace Config.Entities
@@ -20,13 +22,19 @@ namespace Config.Entities
 		int ParamsCount();
 
 		/// <summary>
-		/// Parameter names
+		/// Returns a parameter name
 		/// </summary>
 		/// <param name="ix">Zero based index of the parameter</param>
 		string ParamName(int ix);
 
+        /// <summary>
+        /// Returns a list of possible values of one parameter (ComboBox when editing) or null (Textbox when editing).
+        /// </summary>
+        /// <param name="ix">Zero based index of the parameter</param>
+        IList<string> ParamValues(int ix);
+
 		/// <summary>
-		/// Parameter values in string form
+		/// Returns a parameter value in the string form
 		/// </summary>
 		/// <param name="ix">Zero based index of the parameter</param>
 		string ToString(int ix);
@@ -50,7 +58,7 @@ namespace Config.Entities
 		/// </summary>
 		/// <param name="ix">Zero based index of the parameter</param>
 		/// <param name="strValue">String representation of the parameter</param>
-		void UpdateParam(int ix, string strValue);
+        CfgUpdateFlags UpdateParam(int ix, string strValue);
 
 		void UpdateEmbeddedDbEntity();