support blur window in core3

src/Core_30/HandyControl_Core_30/HandyControl_Core_30.csproj

@@ -45,6 +45,9 @@
   <ItemGroup>
     <None Remove="Themes\Styles\Base\TreeViewBaseStyle.xaml" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="System.Management" Version="4.6.0-preview7.19362.9" />
+  </ItemGroup>
   <ItemGroup>
     <Resource Include="..\..\Shared\HandyControl_Shared\Resources\dropper.cur">
       <Link>Resources\dropper.cur</Link>

src/Shared/HandyControlDemo_Shared/App.xaml.cs

@@ -26,9 +26,8 @@ namespace HandyControlDemo
                 UpdateSkin(GlobalData.Config.Skin);
             }
 
-#if !Core
             ConfigHelper.Instance.SetSystemVersionInfo(CommonHelper.GetSystemVersionInfo());
-#endif
+
             ServicePointManager.SecurityProtocol = (SecurityProtocolType)(SslProtocols)0x00000C00;
         }
 

src/Shared/HandyControlDemo_Shared/Tools/Helper/CommonHelper.cs

@@ -1,5 +1,4 @@
-#if !Core
-using System.Linq;
+using System.Linq;
 using System.Management;
 using HandyControl.Data;
 
@@ -23,5 +22,4 @@ namespace HandyControlDemo.Tools
             return default(SystemVersionInfo);
         }
     }
-}
-#endif
+}