How to specify entry point in WinUI3 packaging project?

[EFLKumo]

I'm developing an application which has GUI and CLI versions. I want to package both GUI and CLI versions, so I use a packaging project. Here is my Package.appxmanifest file.

<?xml version="1.0" encoding="utf-8"?>

<Package
  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
  xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10"
  xmlns:uap2="http://schemas.microsoft.com/appx/manifest/uap/windows10/2"
  xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3"
  xmlns:com="http://schemas.microsoft.com/appx/manifest/com/windows10"
  xmlns:desktop4="http://schemas.microsoft.com/appx/manifest/desktop/windows10/4"
  xmlns:desktop5="http://schemas.microsoft.com/appx/manifest/desktop/windows10/5"
  xmlns:uap8="http://schemas.microsoft.com/appx/manifest/uap/windows10/8"
  xmlns:uap10="http://schemas.microsoft.com/appx/manifest/uap/windows10/10"
  xmlns:virtualization="http://schemas.microsoft.com/appx/manifest/virtualization/windows10"
  IgnorableNamespaces="uap rescap desktop uap2 uap3 com desktop4 desktop5 uap8 uap10 virtualization">

  <Identity
    Name="RayGicStudio.GxonZipPreview"
    Publisher="CN=RayGic Studio"
    Version="0.1.0.0" />

  <Properties>
    <DisplayName>GxonZip Preview</DisplayName>
    <PublisherDisplayName>RayGic Studio</PublisherDisplayName>
    <Logo>Assets\StoreLogo.png</Logo>
    <virtualization:FileSystemWriteVirtualization>
      <virtualization:ExcludedDirectories>
        <virtualization:ExcludedDirectory>$(KnownFolder:LocalAppData)</virtualization:ExcludedDirectory>
        <virtualization:ExcludedDirectory>$(KnownFolder:LocalAppDataLow)</virtualization:ExcludedDirectory>
        <virtualization:ExcludedDirectory>$(KnownFolder:RoamingAppData)</virtualization:ExcludedDirectory>
      </virtualization:ExcludedDirectories>
    </virtualization:FileSystemWriteVirtualization>
  </Properties>

  <Dependencies>
    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.14393.0" MaxVersionTested="10.0.14393.0" />
  </Dependencies>

  <Resources>
    <Resource Language="x-generate"/>
  </Resources>

  <Applications>
    <Application 
      Id="GxonZipC" 
      Executable="GxonZipC.exe" 
      EntryPoint="Windows.FullTrustApplication">
      <uap:VisualElements 
        AppListEntry="none"
        DisplayName="GxonZip Preview"
        Description="GxonZip"
        BackgroundColor="transparent"
        Square150x150Logo="Assets\Square150x150Logo.png"
        Square44x44Logo="Assets\Square44x44Logo.png" >
        <uap:DefaultTile/>
      </uap:VisualElements >
      <Extensions>
        <uap3:Extension 
          Category="windows.appExecutionAlias" 
          Executable="GxonZipC.exe" 
          EntryPoint="Windows.FullTrustApplication">
          <uap3:AppExecutionAlias>
            <desktop:ExecutionAlias Alias="GxonZipC.exe" />
            <desktop:ExecutionAlias Alias="7z.exe" uap8:AllowOverride="true"/>
          </uap3:AppExecutionAlias>
        </uap3:Extension>
      </Extensions>
    </Application>
    
    <Application 
      Id="GxonZip"
      Executable="GxonZip.exe"
      EntryPoint="$targetentrypoint$">
      <uap:VisualElements
        DisplayName="GxonZip Preview"
        Description="GxonZip"
        BackgroundColor="transparent"
        Square150x150Logo="Assets\Square150x150Logo.png"
        Square44x44Logo="Assets\Square44x44Logo.png">
        <uap:DefaultTile 
          ShortName="GxonZip" 
          Wide310x150Logo="Assets\Wide310x150Logo.png" 
          Square310x310Logo="Assets\LargeTile.png" 
          Square71x71Logo="Assets\SmallTile.png">
          <uap:ShowNameOnTiles>
            <uap:ShowOn Tile="wide310x150Logo"/>
            <uap:ShowOn Tile="square150x150Logo"/>
            <uap:ShowOn Tile="square310x310Logo"/>
          </uap:ShowNameOnTiles>
        </uap:DefaultTile>
      </uap:VisualElements>
      <Extensions>
        <uap3:Extension
            Category="windows.appExecutionAlias"
            Executable="GxonZip.exe"
            EntryPoint="$targetentrypoint$">
          <uap3:AppExecutionAlias>
            <desktop:ExecutionAlias Alias="GxonZip.exe" />
            <desktop:ExecutionAlias Alias="7zFM.exe" uap8:AllowOverride="true"/>
          </uap3:AppExecutionAlias>
        </uap3:Extension>
        <uap:Extension Category="windows.fileTypeAssociation">
          <uap3:FileTypeAssociation Name="fileassociations" Parameters="&quot;%1&quot;">
            <uap:Logo>Assets\ArchiveFile.png</uap:Logo>
            <uap:SupportedFileTypes>
              <!-- Some file types, not important -->
            </uap:SupportedFileTypes>
          </uap3:FileTypeAssociation>
        </uap:Extension>
        <desktop4:Extension Category="windows.fileExplorerContextMenus">
          <desktop4:FileExplorerContextMenus>
            <desktop5:ItemType Type="Directory">
              <desktop5:Verb Id="GxonZipShellExtension" Clsid="469D94E9-6AF4-4395-B396-99B1308F8CE5" />
            </desktop5:ItemType>
            <desktop5:ItemType Type="*">
              <desktop5:Verb Id="GxonZipShellExtension" Clsid="469D94E9-6AF4-4395-B396-99B1308F8CE5" />
            </desktop5:ItemType>
          </desktop4:FileExplorerContextMenus>
        </desktop4:Extension>
        <com:Extension Category="windows.comServer">
          <com:ComServer>
            <com:SurrogateServer DisplayName="GxonZip Shell Extension">
              <com:Class Id="469D94E9-6AF4-4395-B396-99B1308F8CE5" Path="GxonZipShellExtension.dll" ThreadingModel="STA"/>
            </com:SurrogateServer>
          </com:ComServer>
        </com:Extension>
      </Extensions>
    </Application>
  </Applications>
  <Capabilities>
    <rescap:Capability Name="runFullTrust" />
  </Capabilities>
</Package>

At first, I used $targetentrypoint$ as entrypoint because almost every WinUI3 packaging project use that. When I built it, the error dumped.

AppxManifest.xml : error APPX0501: error 80080204: App manifest validation error: Line 152, Column 61, Reason: The element or attribute "Parameters" can't be declared outside of Partial Trust or Full Trust EntryPoint(either inherited from Application or declared in the Extension).

AppxManifest.xml line 152 is

          <uap3:FileTypeAssociation Name="fileassociations" Parameters="&quot;%1&quot;">

which you can see in my Package.appxmanifest file.
I think that I should use Windows.FullTrustApplication as entrypoint instead, so I did. Since then I didn't get error from the packaging project, but my winui3 app crashed when start-up. I only got error infromation from output window.

D:\a\_work\1\s\dev\WindowsAppRuntime_BootstrapDLL\MddBootstrap.cpp(78)\Microsoft.WindowsAppRuntime.Bootstrap.dll!00007FFEA4D912D8: (caller: 00007FF6F654347E) LogHr(1) tid(b38) 80070032 不支持该请求。
D:\a\_work\1\s\dev\WindowsAppRuntime_BootstrapDLL\MddBootstrap.cpp(469)\Microsoft.WindowsAppRuntime.Bootstrap.dll!00007FFEA4D92F4F: (caller: 00007FFEA4D9225D) Exception(1) tid(b38) 80070491 索引中没有同指定项相匹配的项。
    Msg:[AppExtension.Name=microsoft.winappruntime.ddlm-1.0-x6, Major=1, Minor=0, Tag=, MinVersion=3.469.1654.0] 
D:\a\_work\1\s\dev\WindowsAppRuntime_BootstrapDLL\MddBootstrap.cpp(125)\Microsoft.WindowsAppRuntime.Bootstrap.dll!00007FFEA4DA3E61: (caller: 00007FF6F654347E) ReturnHr(1) tid(b38) 80070491 索引中没有同指定项相匹配的项。
    Msg:[D:\a\_work\1\s\dev\WindowsAppRuntime_BootstrapDLL\MddBootstrap.cpp(469)\Microsoft.WindowsAppRuntime.Bootstrap.dll!00007FFEA4D92F4F: (caller: 00007FFEA4D9225D) Exception(1) tid(b38) 80070491 索引中没有同指定项相匹配的项。
    Msg:[AppExtension.Name=microsoft.winappruntime.ddlm-1.0-x6, Major=1, Minor=0, Tag=, MinVersion=3.469.1654.0] 
]
0x00007FFF0501FF4C 处(位于 GxonZip.exe 中)引发的异常: Microsoft C++ 异常: wil::ResultException，位于内存位置 0x00000023686FCB90 处。
0x00007FFF0501FF4C 处(位于 GxonZip.exe 中)引发的异常: Microsoft C++ 异常: [rethrow]，位于内存位置 0x0000000000000000 处。

I tried using GxonZip.App as entrypoint, and again:

AppxManifest.xml : error APPX0501: error 80080204: App manifest validation error: Line 152, Column 61, Reason: The element or attribute "Parameters" can't be declared outside of Partial Trust or Full Trust EntryPoint(either inherited from Application or declared in the Extension).

[EFLKumo]

Solved by moving Package.appxmanifest to the WinUI3 project..............