Start-WPFJob.ps1
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function Start-WPFJob { <# .Synopsis Starts a WPF Job to display a UI in the background .Description Starts a WPF Job to display a UI in the background. You can stop the job with the Stop-Job cmdlet, or by closing the window. You can run scripts within the window with the Update-WPFJob cmdlet Start-WPFJob is used implicitly whenever you use the -AsJob parameter. .Example New-Label "Hello World" -AsJob .Example Start-WPFJob { New-Object Windows.Window -Property @{Content="foo"}} #> param( # The Script Block to run in the Job [Parameter(Position=0, Mandatory=$true, ValueFromPipelineByPropertyName=$true)] [ScriptBlock] $ScriptBlock, # A dictionary of parameters to pass to the job [Hashtable] $Parameter, # The Command that the Job will display in Get-Job (by default, Start-WPFJob) [String] $Command = "Start-WPFJob", # Additional Context script blocks will be parsed to get the commands # the script block uses, but will not be run. # AdditionalContext is used so that commands referenced in parameters # work in background jobs. [ScriptBlock[]] $AdditionalContext, # The name of the job [String] $Name ) begin { # First, make the job type if it does not exist: if (-not ('SHOWUI.WPFJob' -as [Type])) { Write-Verbose "Compiling WPFJob" Add-Type -Path $psScriptRoot\C#\WPFJob.cs -IgnoreWarnings -ReferencedAssemblies "WindowsBase", "PresentationCore", "PresentationFramework" } } process { $src= @($ScriptBlock) + { Show-Window Get-ChildControl Move-Control Start-Animation Get-Resource Set-Resource } if ($AdditionalContext) { $src += $AdditionalContext } $cmds = $src | Get-ReferencedCommand | Select-Object -Unique if (-not $name) {$name = [GUID]::NewGuid() } $iss = [SHOWUI.WPFJob]::GetSessionStateForCommands($cmds) if ($psBoundParameters.ContainsKey("Parameter") -and $Parameter.Count) { $wpfJob = New-Object SHOWUI.WPFJob ($name, $Command, $ScriptBlock, $Iss, $Parameter) } else { $wpfJob = New-Object SHOWUI.WPFJob ($name, $Command, $ScriptBlock, $Iss) } if ($wpfJob) { $null = $PSCmdlet.JobRepository.Add($wpfJob) $wpfJob } } } |