Change-Default-Printer.ps1
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<#PSScriptInfo .VERSION 1.8 .GUID 9e0fe95d-a694-43d3-a972-c1779868af7e .AUTHOR kledenai .COMPANYNAME .COPYRIGHT .TAGS printer .LICENSEURI .PROJECTURI https://github.com/Kledenai/windows-change-default-printer .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .PRIVATEDATA #> <# .DESCRIPTION This script is used to automate the process of changing the default printer, either when starting a specific program, at machine startup or at any time #> # setting the parameters that will be expected on the command line by the user who will configure the script # Param( [Parameter()] [string]$StartupAppFile ) # instantiating the variable that will be used to store the list of printers for a comparision with the printer selected # [System.Collections.ArrayList]$printerhistory = @() # instantiating the function that will be used to get the list of all printers in the machine # Function GetListPrinters { try { # clear the listbox items and printerhistory to reload without duplicated items # $printerhistory.Clear() $listBox.Items.Clear() # get all printers listed on the machine # $printerlist = Get-CimInstance -Class Win32_Printer # loop to load the printer take the machine in the listbox, and taking advantage of the loop to add the machine # to be placed in the $printerhistory along with the information if it is shared or not # Foreach($printer in $printerlist){ [void] $listBox.Items.Add((&{if($printer.shared){$printer.ShareName} else {$printer.Name}})) [void] $printerhistory.Add((&{if($printer.shared){[pscustomobject]@{Name=$printer.ShareName;Shared=$true}} else {[pscustomobject]@{Name=$printer.Name;Shared=$false}}})) } # setting the first item of the listbox as default # $listBox.SetSelected(0,$true) } catch { Write-Host "An error occurred:" Write-Host $_ } } # declaring the Microsoft .NET Core class in the script session # Add-Type -AssemblyName System.Windows.Forms Add-Type -AssemblyName System.Drawing # instantiating and configuring the form to which the components that will come below will be placed # $form = New-Object System.Windows.Forms.Form $form.Text = 'Select the default printer' $form.Size = New-Object System.Drawing.Size(300,200) $form.StartPosition = 'CenterScreen' $form.ControlBox = $false $form.FormBorderStyle = 'Fixed3d' # configuring the ok button that will execute the rest of the functions as soon as you select the desired printer # $okButton = New-Object System.Windows.Forms.Button $okButton.Location = New-Object System.Drawing.Point(60,125) $okButton.Size = New-Object System.Drawing.Size(80,24) $okButton.Text = 'OK' $okButton.DialogResult = [System.Windows.Forms.DialogResult]::OK $form.AcceptButton = $okButton $form.Controls.Add($okButton) # configuring the cancel button in case the user wants to abort when opening the modal without any other action being done # $cancelButton = New-Object System.Windows.Forms.Button $cancelButton.Location = New-Object System.Drawing.Point(150,125) $cancelButton.Size = New-Object System.Drawing.Size(80,24) $cancelButton.Text = 'Cancel' $cancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel $form.CancelButton = $cancelButton $form.Controls.Add($cancelButton) # configuring the reload button to reload the list of printers # $reloadButton = New-Object System.Windows.Forms.Button $reloadButton.Location = New-Object System.Drawing.Point(247, 10) $reloadButton.Size = New-Object System.Drawing.Size(24,24) $reloadButton.Font = New-Object System.Drawing.Font("Arial", 11, [System.Drawing.FontStyle]::Regular) $reloadButton.Text = "↻" $reloadButton.TextAlign = "MiddleRight" $reloadButton.Padding = New-Object System.Windows.Forms.Padding(0,2,0,0) $reloadButton.Add_Click({GetListPrinters}) $form.AcceptButton = $reloadButton $form.Controls.Add($reloadButton) # configuring the label which will appear on top of the listbox stating that they are the printers below # $label = New-Object System.Windows.Forms.Label $label.Location = New-Object System.Drawing.Point(10,20) $label.Size = New-Object System.Drawing.Size(280,20) $label.Text = 'Printers:' $form.Controls.Add($label) # configuring the listbox component which will show the list of printers for the user to select # $listBox = New-Object System.Windows.Forms.ListBox $listBox.Location = New-Object System.Drawing.Point(10,40) $listBox.Size = New-Object System.Drawing.Size(260,20) $listBox.Height = 80 $form.Controls.Add($listBox) # run the function to get the list of printers # GetListPrinters | Out-Null # forcing the modal to always be above any other program when it runs # $form.Topmost = $true # instatiating the action inside the form to be added in the if statement if OK is triggered # $result = $form.ShowDialog() # setting the trycatch in case an error occurs within thi function # try { # checking if the ok button was selected, once it is selected the other actions below will be executed # if ($result -eq [System.Windows.Forms.DialogResult]::OK) { # searching within the history for the selected printer in the listbox # $printerinfo = $printerhistory -match $listBox.SelectedItem # getting all the printer data and instantiating it in a variable # $printer = Get-CimInstance -Class Win32_Printer -Filter (&{if($printerinfo.shared){"ShareName='$($printerinfo.name)'"}else{"Name='$($printerinfo.name)'"}}) # seting the selected printer as default # Invoke-CimMethod -InputObject $printer -MethodName SetDefaultPrinter # checking if the $StartupAppFile parameter wa passed, if so, the process will be executed # if ($StartupAppFile) { # starting the process based on the .exe file tgat was passed in the parameter # Start-Process $StartupAppFile } } } catch { # writing to the console the error that is occurring, basically catching everything that occurs # Write-Host "An error occurred:" Write-Host $_ } |