diff --git a/projects/VC100/SimGear.vcxproj b/projects/VC100/SimGear.vcxproj
index faa76a6f..cfbb0b3b 100644
--- a/projects/VC100/SimGear.vcxproj
+++ b/projects/VC100/SimGear.vcxproj
@@ -201,6 +201,9 @@
     <ClCompile Include="..\..\simgear\io\raw_socket.cxx" />
     <ClCompile Include="..\..\simgear\io\sg_binobj.cxx" />
     <ClCompile Include="..\..\simgear\io\sg_file.cxx" />
+    <ClCompile Include="..\..\simgear\io\sg_netBuffer.cxx" />
+    <ClCompile Include="..\..\simgear\io\sg_netChannel.cxx" />
+    <ClCompile Include="..\..\simgear\io\sg_netChat.cxx" />
     <ClCompile Include="..\..\simgear\io\sg_serial.cxx" />
     <ClCompile Include="..\..\simgear\io\sg_socket.cxx" />
     <ClCompile Include="..\..\simgear\io\sg_socket_udp.cxx" />
@@ -390,6 +393,9 @@
     <ClInclude Include="..\..\simgear\io\raw_socket.hxx" />
     <ClInclude Include="..\..\simgear\io\sg_binobj.hxx" />
     <ClInclude Include="..\..\simgear\io\sg_file.hxx" />
+    <ClInclude Include="..\..\simgear\io\sg_netBuffer.hxx" />
+    <ClInclude Include="..\..\simgear\io\sg_netChannel.hxx" />
+    <ClInclude Include="..\..\simgear\io\sg_netChat.hxx" />
     <ClInclude Include="..\..\simgear\io\sg_serial.hxx" />
     <ClInclude Include="..\..\simgear\io\sg_socket.hxx" />
     <ClInclude Include="..\..\simgear\io\sg_socket_udp.hxx" />
diff --git a/projects/VC100/SimGear.vcxproj.filters b/projects/VC100/SimGear.vcxproj.filters
index 933d8f13..c582eb5e 100644
--- a/projects/VC100/SimGear.vcxproj.filters
+++ b/projects/VC100/SimGear.vcxproj.filters
@@ -585,6 +585,15 @@
     <ClCompile Include="..\..\simgear\math\project.cxx">
       <Filter>Lib_sgmath</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\simgear\io\sg_netBuffer.cxx">
+      <Filter>Lib_sgio</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\simgear\io\sg_netChannel.cxx">
+      <Filter>Lib_sgio</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\simgear\io\sg_netChat.cxx">
+      <Filter>Lib_sgio</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\simgear\bucket\newbucket.hxx">
@@ -1171,6 +1180,15 @@
     <ClInclude Include="..\..\simgear\math\project.hxx">
       <Filter>Lib_sgmath</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\simgear\io\sg_netBuffer.hxx">
+      <Filter>Lib_sgio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\simgear\io\sg_netChannel.hxx">
+      <Filter>Lib_sgio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\simgear\io\sg_netChat.hxx">
+      <Filter>Lib_sgio</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\simgear\math\linintp2.inl">