powershell 5.1: new-object : Cannot find type [PoshWinRT.EventWrapper[Windows.UI.Notifications.ToastNotification,System.Object]]: verify that the assembly containing this type is loaded.

[Martinfx]

I used this example:

$PSVersionTable.PSVersion

Major Minor Build Revision

---

5 1 19041 5007

new-object : Cannot find type [PoshWinRT.EventWrapper[Windows.UI.Notifications.ToastNotification,System.Object]]: verify that the assembly containing this type is loaded.
At line:26 char:14
+ ...  $wrapper = new-object "PoshWinRT.EventWrapper[Windows.UI.Notificatio ...
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand
 
You cannot call a method on a null-valued expression.
At line:27 char:3
+   $wrapper.Register($target, $eventName)
+   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : InvokeMethodOnNull
 
Register-ObjectEvent : Cannot bind argument to parameter 'InputObject' because it is null.
At line:30 char:35
+ ... -ObjectEvent -InputObject (WrapToastEvent $toast 'Activated') -EventN ...
+                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidData: (:) [Register-ObjectEvent], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.RegisterObjectEventCommand

$xml = @"
<toast>
  
  <visual>
    <binding template="ToastGeneric">
      <text>Hello World</text>
      <text>This is a simple toast message</text>
    </binding>
  </visual>
  
  <actions>
    <input id="textBox" type="text"/>
    <action content="Send" activationType="system" arguments="dismiss" />
  </actions>

</toast>
"@
$XmlDocument = [Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime]::New()
$XmlDocument.loadXml($xml)
$toast = [Windows.UI.Notifications.ToastNotification, Windows.UI.Notifications, ContentType = WindowsRuntime]::New($XmlDocument)

function WrapToastEvent {
  param($target, $eventName)

  Add-Type -Path "L:\dev\PoshWinRT.dll"
  $wrapper = new-object "PoshWinRT.EventWrapper[Windows.UI.Notifications.ToastNotification,System.Object]"
  $wrapper.Register($target, $eventName)
}

Register-ObjectEvent -InputObject (WrapToastEvent $toast 'Activated') -EventName FireEvent -Action {
  Write-Host arguments:, $args[1].Result.arguments
  Write-Host textBox:, $args[1].Result.userinput['textBox']
}

$AppId = '{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe'
[Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime]::CreateToastNotifier($AppId).Show($toast)