[#] 完善了补丁更新机制

RevokeMsgPatcher/Model/App.cs

@@ -13,5 +13,33 @@ namespace RevokeMsgPatcher.Model
         public Dictionary<string, TargetInfo> FileTargetInfos { get; set; }
 
         public Dictionary<string, List<ModifyInfo>> FileModifyInfos { get; set; }
+
+        public HashSet<string> GetSupportVersions()
+        {
+            // 使用 HashSet 防重
+            HashSet<string> versions = new HashSet<string>();
+            foreach (List<ModifyInfo> modifyInfos in FileModifyInfos.Values)
+            {
+                foreach (ModifyInfo modifyInfo in modifyInfos)
+                {
+                    versions.Add(modifyInfo.Version);
+                }
+            }
+            return versions;
+        }
+
+        public string GetSupportVersionStr()
+        {
+            string str = "";
+            foreach (string v in GetSupportVersions())
+            {
+                str += v + "、";
+            }
+            if (str.Length > 1)
+            {
+                str = str.Substring(0, str.Length - 1);
+            }
+            return str;
+        }
     }
 }