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@1RedOne
Created September 20, 2018 03:03
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WPF Example of using and populating a DataGrid with objects in PowerShell
#Sample for this question on SO https://stackoverflow.com/questions/52405852/link-wpf-xaml-to-datagrid-in-powershell?sem=2
$inputXML = @"
<Window x:Class="WpfApp2.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp2"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<DataGrid Name="Datagrid" AutoGenerateColumns="True" >
<DataGrid.Columns>
<DataGridTextColumn Header="Name" Binding="{Binding Name}" Width="180" />
<DataGridTextColumn Header="Type" Binding="{Binding Type}" Width="233"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>
"@
$inputXML = $inputXML -replace 'mc:Ignorable="d"','' -replace "x:N",'N' -replace '^<Win.*', '<Window'
[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')
[xml]$XAML = $inputXML
#Read XAML
$reader=(New-Object System.Xml.XmlNodeReader $xaml)
try{$Form=[Windows.Markup.XamlReader]::Load( $reader )}
catch [System.Management.Automation.MethodInvocationException] {
Write-Warning "We ran into a problem with the XAML code. Check the syntax for this control..."
write-host $error[0].Exception.Message -ForegroundColor Red
if ($error[0].Exception.Message -like "*button*"){
write-warning "Ensure your &lt;button in the `$inputXML does NOT have a Click=ButtonClick property. PS can't handle this`n`n`n`n"}
}
catch{#if it broke some other way <span class="wp-smiley wp-emoji wp-emoji-bigsmile" title=":D">:D</span>
Write-Host "Unable to load Windows.Markup.XamlReader. Double-check syntax and ensure .net is installed."
}
#===========================================================================
# Store Form Objects In PowerShell
#===========================================================================
$xaml.SelectNodes("//*[@Name]") | %{Set-Variable -Name "WPF$($_.Name)" -Value $Form.FindName($_.Name)}
Function Get-FormVariables{
if ($global:ReadmeDisplay -ne $true){Write-host "If you need to reference this display again, run Get-FormVariables" -ForegroundColor Yellow;$global:ReadmeDisplay=$true}
write-host "Found the following interactable elements from our form" -ForegroundColor Cyan
get-variable WPF*
}
Get-FormVariables
#===========================================================================
# Use this space to add code to the various form elements in your GUI
#===========================================================================
#Reference
#Adding items to a dropdown/combo box
#$vmpicklistView.items.Add([pscustomobject]@{'VMName'=($_).Name;Status=$_.Status;Other="Yes"})
#Setting the text of a text box to the current PC name
#$WPFtextBox.Text = $env:COMPUTERNAME
#Adding code to a button, so that when clicked, it pings a system
# $WPFbutton.Add_Click({ Test-connection -count 1 -ComputerName $WPFtextBox.Text
# })
#===========================================================================
# Shows the form
#===========================================================================
write-host "To show the form, run the following" -ForegroundColor Cyan
$WPFDatagrid.AddChild([pscustomobject]@{Name='Stephen';Type=123})
$WPFDatagrid.AddChild([pscustomobject]@{Name='Geralt';Type=234})
$Form.ShowDialog() | out-null
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