1.stage-a.ps1

#MSIX app attach staging sample
#region variables
#PBI
#$vhdSrc="\\AppAttach1\ApplicationVHDs\PowerBI.vhdx"
#$parentFolder = "PowerBI"
#$packageName = "PowerBI_1.0.0.0_x64__74tjgdb1s5w2y" 
#$parentFolder = "\" + $parentFolder + "\"
#$volumeGuid = "daf2daa8-8b7b-40e0-a6a4-b713a8374e75"
#$msixJunction = "C:\temp\AppAttach\" 

#VLC
$vhdSrc="\\AppAttach1\ApplicationVHDs\VLC.vhdx"
$parentFolder = "VLC"
$packageName = "VLC_1.0.0.0_x64__74tjgdb1s5w2y" 
$parentFolder = "\" + $parentFolder + "\"
$volumeGuid = "16d52439-0be1-446e-9609-f6139f5fef3c"
$msixJunction = "C:\temp\AppAttach\" 

#endregion

#region mountvhd
try 
{
    Mount-Diskimage -ImagePath $vhdSrc -NoDriveLetter -Access ReadOnly                 
    Write-Host ("Mounting of " + $vhdSrc + " was completed!") -BackgroundColor Green 
}
catch
{
    Write-Host ("Mounting of " + $vhdSrc + " has failed!") -BackgroundColor Red
}
#endregion


#region makelink
$msixDest = "\\?\Volume{" + $volumeGuid + "}\"

if (!(Test-Path $msixJunction)) 
{
    md $msixJunction
}

$msixJunction = $msixJunction + $packageName

cmd.exe /c mklink /j $msixJunction $msixDest
#endregion

#region stage
[Windows.Management.Deployment.PackageManager,Windows.Management.Deployment,ContentType=WindowsRuntime] | Out-Null
Add-Type -AssemblyName System.Runtime.WindowsRuntime
$asTask = ([System.WindowsRuntimeSystemExtensions].GetMethods() | Where { $_.ToString() -eq 'System.Threading.Tasks.Task`1[TResult] AsTask[TResult,TProgress](Windows.Foundation.IAsyncOperationWithProgress`2[TResult,TProgress])'})[0]
$asTaskAsyncOperation = $asTask.MakeGenericMethod([Windows.Management.Deployment.DeploymentResult], [Windows.Management.Deployment.DeploymentProgress])

$packageManager = [Windows.Management.Deployment.PackageManager]::new()
    
$path = $msixJunction + $parentFolder + $packageName # needed if we do the pbisigned.vhd
$path = ([System.Uri]$path).AbsoluteUri
  
$asyncOperation = $packageManager.StagePackageAsync($path, $null, "StageInPlace")
                                                                                                                    
$task = $asTaskAsyncOperation.Invoke($null, @($asyncOperation))
        
$task
#endregion