Fix inject problems (#820)

* CoreCLR: resolve and load nethost on demand instead of requiring it on load

* Remove nethost loading from C# side

* Added option to not chain Process.Dispose; see for last error only if result is empty

Dalamud.Injector.Boot/Dalamud.Injector.Boot.vcxproj

@@ -99,10 +99,6 @@
     <ClInclude Include="..\lib\CoreCLR\nethost\nethost.h" />
     <ClInclude Include="..\lib\CoreCLR\pch.h" />
   </ItemGroup>
-  <ItemGroup>
-    <Library Include="..\lib\CoreCLR\nethost\libnethost.lib" />
-    <Library Include="..\lib\CoreCLR\nethost\nethost.lib" />
-  </ItemGroup>
   <Target Name="RemoveExtraFiles" AfterTargets="PostBuildEvent">
     <Delete Files="$(OutDir)$(TargetName).lib" />
     <Delete Files="$(OutDir)$(TargetName).exp" />

Dalamud.Injector.Boot/Dalamud.Injector.Boot.vcxproj.filters

@@ -13,9 +13,6 @@
       <UniqueIdentifier>{4faac519-3a73-4b2b-96e7-fb597f02c0be}</UniqueIdentifier>
       <Extensions>ico;rc</Extensions>
     </Filter>
-    <Filter Include="Library Files">
-      <UniqueIdentifier>{6aff1bed-6979-4bc9-94e8-ddafb626e6bf}</UniqueIdentifier>
-    </Filter>
   </ItemGroup>
   <ItemGroup>
     <Image Include="dalamud.ico">
@@ -55,12 +52,4 @@
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
-  <ItemGroup>
-    <Library Include="..\lib\CoreCLR\nethost\nethost.lib">
-      <Filter>Library Files</Filter>
-    </Library>
-    <Library Include="..\lib\CoreCLR\nethost\libnethost.lib">
-      <Filter>Library Files</Filter>
-    </Library>
-  </ItemGroup>
 </Project>

Dalamud.Injector.Boot/main.cpp

@@ -21,6 +21,7 @@ int wmain(int argc, wchar_t** argv)
 
     void* entrypoint_vfn;
     int result = InitializeClrAndGetEntryPoint(
+        GetModuleHandleW(nullptr),
         runtimeconfig_path,
         module_path,
         L"Dalamud.Injector.EntryPoint, Dalamud.Injector",