PowerShell – Empty Reboot

Have you ever needed to prompt a user for a reboot at the end of a setup process? Here is how you do it with a form, which includes a remind me.

# MrNetTek 
# eddiejackson.net 
# 12/19/2023 
# free for public use 
# free to claim as your own

# LOAD MAIN FUNCTION
function Start-Reboot {
 
    $global:counter = 1
    $ErrorActionPreference = 'silentlycontinue' 
    
    # play alert sound
    $sound = new-Object System.Media.SoundPlayer;
    $sound.SoundLocation="c:\WINDOWS\Media\notify.wav";
    $sound.PlayLooping();
    $flag=$false;
 
    1..10 | foreach {
        if($_ -gt 1){$flag=$true} else{sleep -s 1}
        if($flag) {$sound.Stop() }
    } 
 
    # LOAD ASSEMBLIES
    Add-Type -AssemblyName PresentationFramework
    Add-Type -AssemblyName System.Windows.Forms
    Add-Type -AssemblyName System.Drawing
    Add-Type -AssemblyName PresentationFramework
    [System.Windows.Forms.Application]::EnableVisualStyles()     
     
    # INSTANTIATE OBJECTS
    $form = New-Object 'System.Windows.Forms.Form'
    $label1 = New-Object System.Windows.Forms.Label
    $label2 = New-Object System.Windows.Forms.Label
    $label3 = New-Object System.Windows.Forms.Label
    $button1 = New-Object 'System.Windows.Forms.Button'
    $button2 = New-Object 'System.Windows.Forms.Button'
    $InitialFormWindowState = New-Object 'System.Windows.Forms.FormWindowState'
     
    $Form_StateCorrection_Load=
    {       
        $form.WindowState = $InitialFormWindowState

    }   
     
    # MAIN FORM     
    # $form.Icon = [Drawing.Icon]::ExtractAssociatedIcon((Get-Command powershell).Path)
    $form.Controls.Add($button1)
    $form.Controls.Add($button2)
    $form.Controls.Add($label1)
    $form.Controls.Add($label2)    
    $form.Controls.Add($label3)
    $form.AutoScaleDimensions = '8, 17'
    $form.AutoScaleMode = 'Font'
    $form.ClientSize = '616, 262'
    $form.FormBorderStyle = 'FixedDialog'
    $form.Margin = '5, 5, 5, 5'
    $form.MaximizeBox = $False
    $form.MinimizeBox = $False
    $form.ControlBox = $False
    $form.Name = 'EMPTYREBOOT'    
    $form.StartPosition = 'CenterScreen'
    $form.Text = 'Empty Reboot Test'
    $form.ShowInTaskbar = $False
    $form.TopMost = $True # force window to stay on top
    $form.add_Load($form_Load)
    
    # LABEL1
    $label1.Location = New-Object System.Drawing.Point(240,20)
    $label1.Font = 'Calibri, 13.25pt'
    $label1.Size = New-Object System.Drawing.Size(550,50)
    $label1.Text = 'Empty Reboot Test'         
     
    # LABEL2        
    $label2.Location = New-Object System.Drawing.Point(100,80)
    $label2.Font = 'Calibri, 11.25pt'
    $label2.Size = New-Object System.Drawing.Size(440,50)
    $label2.Text = 'Please save and close all your work. Click Restart to complete setup.' 

    # LABEL3
    $label3.Location = New-Object System.Drawing.Point(275,230)
    $label3.Font = 'Calibri, 9.25pt'
    $label3.Size = New-Object System.Drawing.Size(120,80)
    $label3.Text = 'MRNETTEK 2023'
   

    # button
    $button1.Font = 'Calibri, 12.25pt'
    $button1.DialogResult = 'OK'
    $button1.Location = '90, 155'
    $button1.Margin = '5, 5, 5, 5'
    $button1.Name = 'buttonOK1'
    $button1.Size = '200, 50'
    $button1.BackColor ="LightGray"
    $button1.ForeColor ="black"
    $button1.Text = '&Restart'
    $button1.UseCompatibleTextRendering = $True
    $button1.UseVisualStyleBackColor = $False
    $button1.Add_Click({$form.Add_FormClosing({$_.Cancel=$false});Restart-Computer -Force}) 
    $button1.TabIndex = 1

    # button
    $button2.Font = 'Calibri, 12.25pt'
    $button2.DialogResult = 'OK'
    $button2.Location = '330, 155'
    $button2.Margin = '5, 5, 5, 5'
    $button2.Name = 'buttonOK2'
    $button2.Size = '200, 50'
    $button2.BackColor ="LightGray"
    $button2.ForeColor ="black"
    $button2.Text = '&Remind Me'
    $button2.UseCompatibleTextRendering = $True
    $button2.UseVisualStyleBackColor = $False
    $button2.Add_Click($button2_click)
    $button2.TabIndex = 2
    
    # FORM CONFIG
    $InitialFormWindowState = $form.WindowState
    $form.add_Load($Form_StateCorrection_Load)    
     
    # FOCUS THIS PROCESS
    $WindowState = '[DllImport("user32.dll")] public static extern bool ShowWindow(int handle, int state);'
    add-type -name win -member $WindowState -namespace native
    [native.win]::ShowWindow(([System.Diagnostics.Process]::GetCurrentProcess() | Get-Process).MainWindowHandle, 0)    
    SetForegroundWindow(this.Handle)    
     
    # SHOW FORM
    $form.add_FormClosing({$_.Cancel=$true})    
    [void] $form.ShowDialog()
    
    $counter
} 



$button2_click ={    
    
    if ($counter -lt 3) {
        
        $script:counter++
        
        $form.WindowState = [System.Windows.Forms.FormWindowState]::Minimized
        $form.Hide()
        
        #Start-Sleep -Seconds 30 # for testing purposes only
        Start-Sleep -Seconds 3600 #1 hour
        
        CheckCounter
        
        $form.Show()
        $form.WindowState = [System.Windows.Forms.FormWindowState]::Normal
        
    }
    
}

 

function CloseForm {

    $form.Close()
 
}

# RUN MAIN FUNCTION
$global:counter = 1
Start-Reboot