param (
	[string] $fileName = ""
)
Add-Type -AssemblyName PresentationFramework 
#/////////////////////////////////////////////////////////////////////////////
#write-host ([Threading.Thread]::CurrentThread.GetApartmentState()); #sta or mta detection
#write-host $MyInvocation.InvocationName; #name of script

$result = 0
#/////////////////////////////////////////////////////////////////////////////
#window xaml
#/////////////////////////////////////////////////////////////////////////////
[xml]$xaml =  
@" 
<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Rename Basename - Directory Opus" Height="126" Width="822" WindowStartupLocation="CenterScreen" Background="#FFD4D0C8">
    <Grid Height="100" Width="800" HorizontalAlignment="Left" VerticalAlignment="Top" ShowGridLines="false" ClipToBounds="true">
        <Grid.RowDefinitions>
            <RowDefinition Height="29.277" />
            <RowDefinition Height="29.723" />
            <RowDefinition Height="29" />
        </Grid.RowDefinitions>
        <Label HorizontalAlignment="Left" Margin="8,10,0,0" Name="labelFileName" Width="auto"  ClipToBounds="true" SnapsToDevicePixels="False" Padding="4">Enter new filename</Label>
        <TextBox Name="textboxFilename" Margin="10,6,0,0" Text="Hallo" Grid.Row="1" MaxLines="1" FontSize="12"/>
        <Button HorizontalAlignment="Right" Name="buttonCancel" Width="75" Grid.Row="2" Margin="0,6,0,0">Cancel</Button>
        <Button HorizontalAlignment="Right" Name="buttonOK" Margin="0,6,81,0"  Width="75" Grid.Row="2">Ok</Button>
    </Grid>
</Window>
"@ 
#$Form=[Windows.Markup.XamlReader]::Load([IO.File]::OpenText('c:\scripts\window.xaml').basestream)
$Window=[Windows.Markup.XamlReader]::Load( (New-Object System.Xml.XmlNodeReader $xaml) )
$btnOK = $Window.FindName("buttonOK") 
$btnCancel = $Window.FindName("buttonCancel") 
$txtboxFileName = $Window.FindName("textboxFilename") 

#/////////////////////////////////////////////////////////////////////////////
#events (window)
#/////////////////////////////////////////////////////////////////////////////
$Window.Add_Loaded({
    $txtboxFileName.text =$script:fileName;
    $txtboxFileName.SelectAll();
    $txtboxFileName.Focus();
})
$Window.Add_Closed({ Rename $false })
$Window.Add_KeyDown({
    if ($_.Key -eq "ESC") { Rename $false }
    if ($_.Key -eq "Return") { Rename $true }
})
#/////////////////////////////////////////////////////////////////////////////
#events (controls)
#/////////////////////////////////////////////////////////////////////////////
$btnOk.Add_Click({ Rename $true  })
$btnCancel.Add_Click({ Rename $false })
#/////////////////////////////////////////////////////////////////////////////
#functions
#/////////////////////////////////////////////////////////////////////////////
function Rename($proceed=$false){
    if ($proceed){ $script:result=1 }
    $script:fileName=$txtboxFileName.Text
    $Window.Close()
}
#/////////////////////////////////////////////////////////////////////////////
#main()
#/////////////////////////////////////////////////////////////////////////////
$Window.ShowDialog() | Out-Null

return @{result=$result;filename=$fileName};