#=================================================
[code:1][/code:1]
#Si powershell n'est pas en mode sta alors on relance le script en mode sta
if($host.Runspace.ApartmentState -ne 'STA')
{
    PowerShell -Sta -File ($myInvocation.MyCommand.Path)
    return
}


Add-Type –assemblyName PresentationFramework
Add-Type –assemblyName PresentationCore
Add-Type –assemblyName WindowsBase



#Declaration du code XAML
[xml]$xaml = @’ 
<Window 
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="36,22,0,0" Name="button1" VerticalAlignment="Top" Width="75" />
    </Grid>
</Window>
’@ 


#Declaration du code XAML
[xml]$xaml2 = @’ 
<Window  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"   
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="29,37,0,0" Name="button2" VerticalAlignment="Top" Width="75" />
        <ProgressBar Height="16" HorizontalAlignment="Left" Margin="48,275,0,0" Name="progressBar1" VerticalAlignment="Top" Width="383" />
    </Grid>
</Window>
’@ 



#====================================================

#Code powershell

function test
{
 $a = Start-Thread -scriptBlock { get-childitem c:\ * -recurse |export-csv c:\toto.csv
 
$i = 0 


$progressBar1.value = 0
$progressBar1.Maximum = 100 

ForEach ($Object in $a)  {
$progressBar1.Value = $i++ / $a.count * 100




 $Form.Dispatcher.Invoke( "Render", [Windows.Input.InputEventHandler]{ $progressBar1.UpdateLayout() }, $null, $null)
 }

 }} 

 

$progressBar1 = $form.FindName('progressBar1’)






#====================================================
function New-Thread
{
    $config   = [System.Management.Automation.Runspaces.Runspace]::DefaultRunspace.RunspaceConfiguration
    $runspace = [System.Management.Automation.Runspaces.RunspaceFactory]::CreateRunspace($config)
    $thread   = New-Object System.Object
    
        $thread = $thread | Add-Member NoteProperty "Runspace" $runspace -passThru
        $thread = $thread | Add-Member NoteProperty "Pipeline" $null -passThru        
        $thread = $thread | Add-Member ScriptProperty "Running" { return ($this.Pipeline -ne $null -and (-not $this.Pipeline.Error.EndOfPipeline -or -not $this.Pipeline.Output.EndOfPipeline)) } -passThru

    $thread.Runspace.Open()
    
    return $thread
}
#=====================================================================================
function Start-Thread
{
    param
    (
        [object]      $thread      = $null,
        [ScriptBlock] $scriptBlock = $(throw "The parameter -scriptBlock is required.")
    )
    
    if ($thread -eq $null)
    {
        $thread = New-Thread
    }
    
    if ($thread.Running)
    {
        throw "The thread is already running, please wait for it complete before trying again."
    }
    
    $thread.Pipeline = $thread.Runspace.CreatePipeline($scriptBlock)
    $thread.Pipeline.Input.Close()
    $thread.Pipeline.InvokeAsync()
    
    return $thread
}
#==========================================================================================
$reader=New-Object System.Xml.XmlNodeReader $xaml
$Form=[Windows.Markup.XamlReader]::Load($reader)

$button1  = $form.FindName(’button1’)

         $button1.add_click( { 
         $form2=[Windows.Markup.XamlReader]::Load([IO.File]::OpenText('F:\t\ddd\test.xaml').basestream)
         $btnBack = $form2.FindName('btnBack') 
         #$btnBack.add_click.Invoke({$form2.close()})
         $form.close()
       
         
         
         
         $button2  = $form2.FindName(’button2’)
         $progressBar1 = $form2.FindName('progressBar1’)
         $button2.add_click({test})
       $form2.ShowDialog()
        })
     
     
    $Form.ShowDialog() | Out-Null:whistle: