Language supports strings with dynamic numbers + added docs

BackupEssentials/Data/Language.cs

@@ -10,6 +10,9 @@ namespace BackupEssentials.Data{
         public string File { get; private set; }
         public string LangName { get; private set; }
 
+        /// <summary>
+        /// Returns translated text using language key. If there is no text assigned, the key itself is returned.
+        /// </summary>
         public string this[string key] {
             get {
                 if (Data.Count == 0)LoadLanguage();
@@ -19,14 +22,30 @@ namespace BackupEssentials.Data{
             }
         }
 
-        public string this[string key, params object[] data] {
+        /// <summary>
+        /// Returns translated text using language key. If there is no text assigned, the key itself is returned.
+        /// This override allows parameters to be passed to the translated text. In the text, $x signifies an element of the data object array.
+        /// </summary>
+        public string this[string key, params string[] data] {
             get {
                 string text = this[key];
-                for(int a = data.Length-1; a >= 0; a--)text = text.Replace("$"+a,data[a].ToString());
+                for(int a = data.Length-1; a >= 0; a--)text = text.Replace("$"+a,data[a]);
                 return text;
             }
         }
 
+        /// <summary>
+        /// Returns translated text using language key with the number parameter. If the exact key with number parameter is not found, the one with an asterisk is returned.
+        /// The key should be provided without the number, ending with a dot. The number will be added and checked automatically.
+        /// This override allows parameters to be passed to the translated text. In the text, $x signifies an element of the data object array.
+        /// </summary>
+        public string this[string key, int paramNumber, params string[] data] {
+            get {
+                if (Data.ContainsKey(key+paramNumber))return this[key+paramNumber,data];
+                else return this[key+"*",data];
+            }
+        }
+
         public Language(string file, string langName){
             this.File = file;
             this.LangName = langName;