ignore some warnings

Author: Keith Mahoney

build/PrefastWarnings.ruleset

@@ -48,11 +48,11 @@
     <Rule Id="C26451" Action="None" />
     <Rule Id="C26460" Action="Warning" />
     <Rule Id="C26461" Action="Warning" />
-    <Rule Id="C26462" Action="Warning" />
+    <Rule Id="C26462" Action="None" />
     <Rule Id="C26463" Action="Warning" />
     <Rule Id="C26464" Action="Warning" />
     <Rule Id="C26465" Action="Warning" />
-    <Rule Id="C26496" Action="Warning" />
+    <Rule Id="C26496" Action="None" />
     <Rule Id="C26497" Action="Warning" />
     <Rule Id="C26498" Action="Warning" />
     <Rule Id="C26500" Action="Warning" />

dev/dll/Microsoft.UI.Xaml.vcxproj

@@ -11,6 +11,7 @@
     <MdMergeNamespaceMergeDepth>3</MdMergeNamespaceMergeDepth>
     <ProjectWinMDName>Microsoft.UI.winmd</ProjectWinMDName>
     <DependencyPropertyCodeGenOutputDirectory>$(MSBuildThisFileDirectory)..\Generated</DependencyPropertyCodeGenOutputDirectory>
+    <NoWarn>$(NoWarn);C26496;C26462</NoWarn>
   </PropertyGroup>
   <Import Condition="'$(Configuration)' == 'Release'" Project="$(MSBuildProjectDirectory)\..\..\PGO.compile.props" />
   <Import Condition="'$(PGOBuildMode)' == 'Optimize'" Project="$(MSBuildProjectDirectory)\..\..\tools\MUXPGODatabase\PGO.version.props" />

test/IXMPTestApp/MSTest/IXMPTestApp.csproj

@@ -5,6 +5,8 @@
     <UnitTestPlatformVersion Condition="'$(UnitTestPlatformVersion)' == ''">$(VisualStudioVersion)</UnitTestPlatformVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
+    <NoWarn>$(NoWarn);NU1505</NoWarn>
+    <DisableCheckingDuplicateNuGetItems>true</DisableCheckingDuplicateNuGetItems>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="MUXCustomBuildTasks">

test/IXMPTestApp/TAEF/IXMPTestApp.TAEF.csproj

@@ -5,6 +5,8 @@
     <DefineConstants>$(DefineConstants);USING_TAEF</DefineConstants>
     <ProjectGuid>{02800516-6BE8-42A9-9665-5446896BB5C5}</ProjectGuid>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <NoWarn>$(NoWarn);NU1505</NoWarn>
+    <DisableCheckingDuplicateNuGetItems>true</DisableCheckingDuplicateNuGetItems>
   </PropertyGroup>
   <PropertyGroup>
     <ProjectGuid>{74F24BC4-794D-4CB2-8420-80FF7FDACFE9}</ProjectGuid>

test/MUXControlsTestApp/MSTest/MUXControlsTestApp.csproj

@@ -14,6 +14,8 @@
     <GenerateTestArtifacts>True</GenerateTestArtifacts>
     <HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
+    <NoWarn>$(NoWarn);NU1505</NoWarn>
+    <DisableCheckingDuplicateNuGetItems>true</DisableCheckingDuplicateNuGetItems>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="MUXCustomBuildTasks">

test/MUXControlsTestApp/TAEF/MUXControlsTestApp.TAEF.csproj

@@ -11,6 +11,8 @@
     <AppxBundle>Never</AppxBundle>
     <AppInstallerUpdateFrequency>1</AppInstallerUpdateFrequency>
     <AppInstallerCheckForUpdateFrequency>OnApplicationRun</AppInstallerCheckForUpdateFrequency>
+    <NoWarn>$(NoWarn);NU1505</NoWarn>
+    <DisableCheckingDuplicateNuGetItems>true</DisableCheckingDuplicateNuGetItems>
   </PropertyGroup>
   <ItemGroup>
     <AppxManifest Include="Package.VS.appxmanifest">