diff --git a/resource.h b/resource.h
new file mode 100644
index 0000000..d67a535
Binary files /dev/null and b/resource.h differ
diff --git a/zlib.rc b/zlib.rc
new file mode 100644
index 0000000..68806ef
Binary files /dev/null and b/zlib.rc differ
diff --git a/zlib.vcxproj b/zlib.vcxproj
index 4976f62..472bba5 100644
--- a/zlib.vcxproj
+++ b/zlib.vcxproj
@@ -104,7 +104,7 @@
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
     <ResourceCompile>
-      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_DEB32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x080c</Culture>
     </ResourceCompile>
     <PostBuildEvent>
@@ -137,7 +137,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
     <ResourceCompile>
-      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_DEB64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x080c</Culture>
     </ResourceCompile>
     <PostBuildEvent>
@@ -174,7 +174,7 @@ copy $(TargetPath) \EgtProg\Dll64</Command>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
     <ResourceCompile>
-      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;NDEB32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x080c</Culture>
     </ResourceCompile>
     <PostBuildEvent>
@@ -211,7 +211,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
     <ResourceCompile>
-      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;NDEB64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x080c</Culture>
     </ResourceCompile>
     <PostBuildEvent>
@@ -251,11 +251,15 @@ copy $(TargetPath) \EgtProg\Dll64</Command>
     <ClInclude Include="inffixed.h" />
     <ClInclude Include="inflate.h" />
     <ClInclude Include="inftrees.h" />
+    <ClInclude Include="resource.h" />
     <ClInclude Include="trees.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="zlib.def" />
   </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="zlib.rc" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/zlib.vcxproj.filters b/zlib.vcxproj.filters
index 4ebfda3..172548d 100644
--- a/zlib.vcxproj.filters
+++ b/zlib.vcxproj.filters
@@ -91,10 +91,18 @@
     <ClInclude Include="..\Extern\zlib\Include\zconf.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="resource.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="zlib.rc">
+      <Filter>Source Files</Filter>
+    </ResourceCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="zlib.def">
-      <Filter>Header Files</Filter>
+      <Filter>Source Files</Filter>
     </None>
   </ItemGroup>
 </Project>
\ No newline at end of file