#requires -version 2.0
[CmdletBinding()]
param (
    [string]
    $CacheName,

    [string]
    $HostName,

    [int]
    $CachePort
)

$CachingAssembly = join-path -path (Split-Path $MyInvocation.MyCommand.Path) -ChildPath 'Microsoft.ApplicationServer.Caching.Client.dll'
$asm = [Reflection.Assembly]::LoadFrom($CachingAssembly)

$server = new-object "Microsoft.ApplicationServer.Caching.DataCacheServerEndpoint" "$HostName", $CachePort
$config = new-object "Microsoft.ApplicationServer.Caching.DataCacheFactoryConfiguration"
$servers = @($server)
$config.Servers = [Microsoft.ApplicationServer.Caching.DataCacheServerEndpoint[]]$servers

$factory = new-object 'Microsoft.ApplicationServer.Caching.DataCacheFactory' $config
$cache = $factory.GetCache("$CacheName")

$regions = $cache.GetSystemRegions()
$regions | foreach-object {$cache.ClearRegion($_)}