UpdateVersions.ps1

Param(
    [string]$WinAppSDKVersion = ""
)

Get-ChildItem -Recurse packages.config -Path $PSScriptRoot | foreach-object {
    $newVersionString = 'package id="Microsoft.WindowsAppSDK" version="' + $WinAppSDKVersion + '"'
    $oldVersionString = 'package id="Microsoft.WindowsAppSDK" version="[-.0-9a-zA-Z]*"'
    $content = Get-Content $_.FullName -Raw
    $content = $content -replace $oldVersionString, $newVersionString
    Set-Content -Path $_.FullName -Value $content
    Write-Host "Modified " $_.FullName 
}

Get-ChildItem -Recurse *.vcxproj -Path $PSScriptRoot | foreach-object {
    $newVersionString = '\Microsoft.WindowsAppSDK.' + $WinAppSDKVersion + '\'
    $oldVersionString = '\\Microsoft.WindowsAppSDK.[-.0-9a-zA-Z]*\\'
    $content = Get-Content $_.FullName -Raw
    $content = $content -replace $oldVersionString, $newVersionString
    Set-Content -Path $_.FullName -Value $content
    Write-Host "Modified " $_.FullName 
}

Get-ChildItem -Recurse *.wapproj -Path $PSScriptRoot | foreach-object {
    $newVersionString = 'PackageReference Include="Microsoft.WindowsAppSDK" Version="'+ $WinAppSDKVersion + '"'
    $oldVersionString = 'PackageReference Include="Microsoft.WindowsAppSDK" Version="[-.0-9a-zA-Z]*"'
    $content = Get-Content $_.FullName -Raw
    $content = $content -replace $oldVersionString, $newVersionString
    Set-Content -Path $_.FullName -Value $content
    Write-Host "Modified " $_.FullName 
}

Get-ChildItem -Recurse *.csproj -Path $PSScriptRoot | foreach-object {
    $newVersionString = 'PackageReference Include="Microsoft.WindowsAppSDK" Version="'+ $WinAppSDKVersion + '"'
    $oldVersionString = 'PackageReference Include="Microsoft.WindowsAppSDK" Version="[-.0-9a-zA-Z]*"'
    $content = Get-Content $_.FullName -Raw
    $content = $content -replace $oldVersionString, $newVersionString
    Set-Content -Path $_.FullName -Value $content
    Write-Host "Modified " $_.FullName 
}