Revert back to working over c# core

Author: nohwnd

refreshingBrowserViewModel.ps1

@@ -0,0 +1,74 @@
+
+[string]$xaml = @"
+<Window
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    Title="Initial Window" Width="800" Height="600">
+    <Grid>
+        <TextBox FontSize="24" Text="{Binding Text}" Grid.ColumnSpan="3" TextWrapping="Wrap" />
+        <ProgressBar Value="{Binding Progress}" Grid.ColumnSpan="3" Grid.Row="1" />
+        
+        <Button Command="{Binding AddStar}" Content="Add *" Grid.Row="2" Grid.Column ="1" />
+        <Button Command="{Binding RunBackgroundTask}" Content="Run background task" Grid.Row="2" />
+        
+        <Grid.RowDefinitions>
+            <RowDefinition/>
+            <RowDefinition/>
+            <RowDefinition/>
+        </Grid.RowDefinitions>
+
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+    </Grid>
+</Window>
+"@ 
+
+
+$Window=[Windows.Markup.XamlReader]::Parse($xaml)
+$Window.DataContext = [MainViewModel]::new()
+$Window.ShowDialog()
+
+
+class MainViewModel : WpfToolkit.ViewModelBase {
+    [String] $Text = "*"
+    [int] $Progress
+    [Windows.Input.ICommand] $RunBackgroundTask
+    [Windows.Input.ICommand] $AddStar
+    
+
+    MainViewModel () {
+        Write-Host "Constructing Main view Model"
+
+        $this.Init('Text')
+        $this.Init('Progress')
+
+        $work = { 
+            param($this, $o)
+            
+            Dispatch { $this.SetProgress(10) }
+            Start-Sleep -Seconds 2
+
+            Dispatch { $this.SetProgress(50) }
+
+            Start-Sleep -Seconds 2
+            Dispatch { $this.SetProgress(90) }
+        }
+
+        $callback = {  
+            param($this)
+            
+            $this.SetText($this.Text + " Background task done. ")
+            $this.SetProgress(100)
+        }
+
+        $this.RunBackgroundTask = $this.NewBackgroundCommand($work, $callback)
+         
+        $this.AddStar = $this.NewCommand({ 
+             
+            Write-Host "is `$this null?: $($null -eq $this)"
+            $this.SetText($this.Text + "*") 
+        })
+    }
+}

viewModels.ps1

@@ -31,7 +31,7 @@ $Window.DataContext = [MainViewModel]::new()
 $Window.ShowDialog()
 
 
-class MainViewModel : ViewModelBase {
+class MainViewModel : WpfToolkit.ViewModelBase {
     [String] $Text = "*"
     [int] $Progress
     [Windows.Input.ICommand] $RunBackgroundTask

window.ps1 renamed to window_withbgtask.ps1

@@ -1,6 +1,5 @@
 Add-Type -AssemblyName PresentationFramework
 $DebugPreference = 'continue'
-# . "$PSScriptRoot\wpf.ps1"
-. "$PSSCriptRoot\wpftoolkit.ps1"
+. "$PSScriptRoot\wpf.ps1"
 . "$PSScriptRoot\viewModels.ps1"
 $DebugPreference = 'continue'

wpf.ps1

@@ -1,5 +1,6 @@
-Add-Type -Path  "C:\projects\WPwshF\WpfInPowerShell\Toolkit\bin\Debug\Toolkit.dll"
-Add-Type -AssemblyName PresentationFramework
+Add-Type -AssemblyName PresentationFramework
+Add-Type -Path  "$PSScriptRoot\WpfInPowerShell\Toolkit\bin\Debug\Toolkit.dll"
+
 
 [WpfToolkit.ViewModelBase]::InvokeCommand = $ExecutionContext.InvokeCommand
 [WpfToolkit.ViewModelBase]::InitScript = {