Changed .NET Framework version and fixed file read throwing exception

PSPSync/App.config

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
     </startup>
-</configuration>
+</configuration>

PSPSync/PSPSync.csproj

@@ -8,12 +8,13 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>PSPSync</RootNamespace>
     <AssemblyName>PSPSync</AssemblyName>
-    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <Deterministic>true</Deterministic>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>

PSPSync/SDs/PSPSaveDir.cs

@@ -111,21 +111,23 @@ public NamedStream[] ReadSave(string directory) {
 
         public void WriteSave(string directoryName, NamedStream[] files)
         {
-            string dr = mainDir + "/" + directoryName;
+            const int BUFFER_SIZE = int.MaxValue;
+            string dr = mainDir + directoryName;
             if (!Directory.Exists(dr))
             {
                 Directory.CreateDirectory(dr);
             }
-            foreach (NamedStream stm in files) {
-                FileStream a = File.Create(dr + "/" + stm.name);
-                long rem = stm.stream.Length;
+            foreach (NamedStream file in files) {
+                FileStream a = File.Create(dr + "/" + file.name);
                 int offset = 0;
-                byte[] read = new byte[1000000];
-                while (rem > 0) {
-                    stm.stream.Read(read, offset, (int)Math.Min(rem, 1000000));
-                    a.Write(read, offset, (int)Math.Min(rem, 1000000));
-                    rem -= Math.Min(rem, 1000000);
-                    offset += 1000000;
+                long bytesRemaining = file.stream.Length;
+                byte[] readBuffer = new byte[Math.Min(bytesRemaining, BUFFER_SIZE)];
+                while (bytesRemaining > 0)
+                {
+                    int bytesRed = file.stream.Read(readBuffer, offset, (int)Math.Min(bytesRemaining, BUFFER_SIZE));
+                    a.Write(readBuffer, offset, bytesRed);
+                    bytesRemaining -= bytesRed;
+                    offset += bytesRed;
                 }
                 a.Close();
             }