[Powershell] ComboBox Change value XAML

Un petit script pour le changement de valeur pour une combobox.

Un peu compliqué a faire pour récupérer la bonne valeur

[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')
[xml]$XAML = @'
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="titre" Height="573.975" Width="668.135">
    <Grid>
        <ComboBox Name="Combo1" HorizontalAlignment="Left" VerticalAlignment="Top" Width="453" Margin="40,99,0,0"/>
    </Grid>
</Window>
'@
#Read XAML
$reader=(New-Object System.Xml.XmlNodeReader $xaml) 
try{$Form=[Windows.Markup.XamlReader]::Load( $reader )}
catch{Write-Host "Unable to load Windows.Markup.XamlReader. Some possible causes for this problem include: .NET Framework is missing PowerShell must be launched with PowerShell -sta, invalid XAML code was encountered."; exit}

#===========================================================================
# Store Form Objects In PowerShell
#===========================================================================
$xaml.SelectNodes("//*[@Name]") | %{Set-Variable -Name ($_.Name) -Value $Form.FindName($_.Name)}


$Combo1.Items.add("toto") | out-null
$Combo1.Items.add("tata") | out-null
$Combo1.Items.add("titi") | out-null


$Combo1.add_SelectionChanged({
    param($sender,$args)
    write-host $($sender.SelectedValue)
})
    
# Display UI object
$Form.ShowDialog() | out-null

[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')

[xml]$XAML = @'

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="titre" Height="573.975" Width="668.135">

<Grid>

</Grid>

</Window>

#Read XAML

$reader=(New-Object System.Xml.XmlNodeReader $xaml)

try{$Form=[Windows.Markup.XamlReader]::Load( $reader )}

catch{Write-Host "Unable to load Windows.Markup.XamlReader. Some possible causes for this problem include: .NET Framework is missing PowerShell must be launched with PowerShell -sta, invalid XAML code was encountered."; exit}

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

# Store Form Objects In PowerShell

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

$xaml.SelectNodes("//*[@Name]") | %{Set-Variable -Name ($_.Name) -Value $Form.FindName($_.Name)}

$Combo1.Items.add("toto") | out-null

$Combo1.Items.add("tata") | out-null

$Combo1.Items.add("titi") | out-null

$Combo1.add_SelectionChanged({

param($sender,$args)

write-host $($sender.SelectedValue)

})

# Display UI object

$Form.ShowDialog() | out-null

Laisser un commentaire Annuler la réponse.

david on 18 février 2020 à 20 h 17 min

Cet article a été créé par david le 18 février 2020.