diff --git a/DTLib.csproj b/DTLib.csproj
index 1fde41c..75c594f 100644
--- a/DTLib.csproj
+++ b/DTLib.csproj
@@ -36,7 +36,8 @@
     <Compile Include="DefaultLogger.cs" />
     <Compile Include="Extensions\Collections.cs" />
     <Compile Include="Extensions\BaseConverter.cs" />
-    <Compile Include="Extensions\ToStringConverter.cs" />
+    <Compile Include="Extensions\IfMethod.cs" />
+    <Compile Include="Extensions\StringConverter.cs" />
     <Compile Include="Filesystem\Symlink.cs" />
     <Compile Include="MyDict.cs" />
     <Compile Include="Dtsod\DtsodV21.cs" />
diff --git a/Dtsod/DtsodV22.cs b/Dtsod/DtsodV22.cs
index 0755976..1e55848 100644
--- a/Dtsod/DtsodV22.cs
+++ b/Dtsod/DtsodV22.cs
@@ -400,7 +400,7 @@ namespace DTLib.Dtsod
                 switch (value.Type)
                 {
                     case ValueTypes.List:
-                        outBuilder.Append('[').Append(ToStringConverter.MergeToString((IEnumerable<object>)value.Value, ",")).Append(']');
+                        outBuilder.Append('[').Append(StringConverter.MergeToString((IEnumerable<object>)value.Value, ",")).Append(']');
                         //outBuilder.Append("\"list deconstruction is'nt implemented yet\"");
                         break;
                     case ValueTypes.Complex:
diff --git a/Extensions/IfMethod.cs b/Extensions/IfMethod.cs
new file mode 100644
index 0000000..92a670d
--- /dev/null
+++ b/Extensions/IfMethod.cs
@@ -0,0 +1,24 @@
+using System;
+
+namespace DTLib.Extensions
+{
+    public static class IfMethod
+    {
+        public static T If<T>(this T input, bool condition, Func<T, T> if_true, Func<T, T> if_false) =>
+            condition ? if_true(input) : if_false(input);
+
+        public static void If<T>(this T input, bool condition, Action<T> if_true, Action<T> if_false)
+        {
+            if (condition) if_true(input);
+            else if_false(input);
+        }
+
+        public static T If<T>(this T input, bool condition, Func<T, T> if_true) =>
+            condition ? if_true(input) : input;
+
+        public static void If<T>(this T input, bool condition, Action<T> if_true)
+        {
+            if (condition) if_true(input);
+        }
+    }
+}
diff --git a/Extensions/ToStringConverter.cs b/Extensions/StringConverter.cs
similarity index 99%
rename from Extensions/ToStringConverter.cs
rename to Extensions/StringConverter.cs
index f6b0f43..7a29e7d 100644
--- a/Extensions/ToStringConverter.cs
+++ b/Extensions/StringConverter.cs
@@ -3,7 +3,7 @@ using System.Text;
 
 namespace DTLib.Extensions
 {
-    public static class ToStringConverter
+    public static class StringConverter
     {
         public static Encoding UTF8 = new UTF8Encoding(false);
         public static byte[] ToBytes(this string str) => UTF8.GetBytes(str);
diff --git a/Network/FSP.cs b/Network/FSP.cs
index 7884da2..1920458 100644
--- a/Network/FSP.cs
+++ b/Network/FSP.cs
@@ -70,7 +70,7 @@ namespace DTLib.Network
                 MainSocket.SendPackage("ready".ToBytes());
                 int packagesCount = 0;
                 byte[] buffer = new byte[5120];
-                int fullPackagesCount = FrameworkFix.Truncate(Filesize / buffer.Length);
+                int fullPackagesCount = (Filesize / buffer.Length).Truncate();
                 // получение полных пакетов файла
                 for (byte n = 0; packagesCount < fullPackagesCount; packagesCount++)
                 {
@@ -114,7 +114,7 @@ namespace DTLib.Network
                 MainSocket.GetAnswer("ready");
                 byte[] buffer = new byte[5120];
                 int packagesCount = 0;
-                int fullPackagesCount = FrameworkFix.Truncate(Filesize / buffer.Length);
+                int fullPackagesCount = (Filesize / buffer.Length).Truncate();
                 // отправка полных пакетов файла
                 for (; packagesCount < fullPackagesCount; packagesCount++)
                 {