Windows Update Popup erscheinen lassen

$showWindowAsync = Add-Type –memberDefinition @” 
[DllImport("user32.dll")]   
public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow); 
“@ -name “Win32ShowWindowAsync” -namespace Win32Functions –passThru

function Hide-PowerShell() { 
    [void]$showWindowAsync::ShowWindowAsync((Get-Process –id $pid).MainWindowHandle, 2) 
}

#region Import the Assemblies
[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null  
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null  
#endregion

#region Generated Form Objects
$formReminder = New-Object System.Windows.Forms.Form
$lblTitle = New-Object System.Windows.Forms.Label
$pbIcon = New-Object System.Windows.Forms.PictureBox
$comboDelay = New-Object System.Windows.Forms.ComboBox
$label2 = New-Object System.Windows.Forms.Label
$btnDelay = New-Object System.Windows.Forms.Button
$btnReboot = New-Object System.Windows.Forms.Button
$label1 = New-Object System.Windows.Forms.Label
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
$timer = New-Object System.Windows.Forms.Timer
$waittime = 0
#endregion Generated Form Objects

#Provide Custom Code for events specified in PrimalForms.
$handler_btnReboot_Click= 
{
    $timer.Stop()
    $timer.Dispose()
    $formReminder.Close()
    shutdown -r -t 0
}

$handler_btnDelay_Click= 
{
    switch ($comboDelay.SelectedIndex){
        0{$waittime = 600*1000}
        1{$waittime = 1800*1000}
        2{$waittime = 3600*1000}
        3{$waittime = 7200*1000}
        4{$waittime = 4*3600*1000}
    }
    $timer.Interval = $waittime
    $timer.Start()
    $formReminder.Hide()
}

$handler_formReminder_Load= 
{
    $comboDelay.SelectedIndex = 0
}

$handler_timerTick = {
    $timer.Stop()
    $formReminder.ShowDialog()
}

$handler_pbIcon_Paint= 
{
    [System.Drawing.Graphics]$g = $_.Graphics
    $g.DrawImage([System.Drawing.Icon]::ExtractAssociatedIcon("$($env:SystemRoot)\System32\shdocvw.dll").ToBitmap(),0,0)  
}

$OnLoadForm_StateCorrection=
{#Correct the initial state of the form to prevent the .Net maximized form issue
	$formReminder.WindowState = $InitialFormWindowState
}

#----------------------------------------------


#region Generated Form Code
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 195
$System_Drawing_Size.Width = 382
$formReminder.ClientSize = $System_Drawing_Size
$formReminder.ControlBox = $false
$formReminder.DataBindings.DefaultDataSourceUpdateMode = 0
$formReminder.FormBorderStyle = 3
$formReminder.ShowInTaskbar = $false
$formReminder.MaximizeBox = $false
$formReminder.MinimizeBox = $false
$formReminder.Name = "formReminder"  
$formReminder.Text = "Update Erinnerung"  
$formReminder.TopMost = $true
$formReminder.SizeGripStyle = 2
$formReminder.add_Load($handler_formReminder_Load)
$formReminder.StartPosition = 0
$formReminder.Left = [int]([System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Width - $formReminder.Width)
$formReminder.Top = [int]([System.Windows.Forms.Screen]::PrimaryScreen.Bounds.Height - ($formReminder.Height + 30))

$timer.Enabled = $false
$timer.Interval = 60000
$timer.add_tick($handler_timerTick)

$pbIcon.DataBindings.DefaultDataSourceUpdateMode = 0
$pbIcon.BackColor = [System.Drawing.Color]::FromArgb(255,253,202,65)
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 10
$System_Drawing_Point.Y = 7
$pbIcon.Location = $System_Drawing_Point
$pbIcon.Name = "pbIcon"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 32
$System_Drawing_Size.Width = 32
$pbIcon.Size = $System_Drawing_Size
$pbIcon.TabIndex = 6
$pbIcon.TabStop = $False
$pbIcon.add_Paint($handler_pbIcon_Paint)
$formReminder.Controls.Add($pbIcon)


$lblTitle.BackColor = [System.Drawing.Color]::FromArgb(255,253,202,65)
$lblTitle.DataBindings.DefaultDataSourceUpdateMode = 0
$lblTitle.Font = New-Object System.Drawing.Font("Calibri",15.75,1,3,0)  

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 0
$System_Drawing_Point.Y = 0
$lblTitle.Location = $System_Drawing_Point
$lblTitle.Name = "lblTitle"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 45
$System_Drawing_Size.Width = 392
$lblTitle.Size = $System_Drawing_Size
$lblTitle.TabIndex = 5
$lblTitle.Text = "           Update Erinnerung"  
$lblTitle.TextAlign = 16

$formReminder.Controls.Add($lblTitle)

$comboDelay.DataBindings.DefaultDataSourceUpdateMode = 0
$comboDelay.FormattingEnabled = $True
$comboDelay.DropDownStyle = 2
$comboDelay.Items.Add("10 Minuten")|Out-Null  
$comboDelay.Items.Add("30 Minuten")|Out-Null  
$comboDelay.Items.Add("1 Stunde")|Out-Null  
$comboDelay.Items.Add("2 Stunden")|Out-Null  
$comboDelay.Items.Add("4 Stunden")|Out-Null  
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 273
$System_Drawing_Point.Y = 105
$comboDelay.Location = $System_Drawing_Point
$comboDelay.Name = "comboDelay"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 21
$System_Drawing_Size.Width = 97
$comboDelay.Size = $System_Drawing_Size
$comboDelay.TabIndex = 4

$formReminder.Controls.Add($comboDelay)

$label2.DataBindings.DefaultDataSourceUpdateMode = 0
$label2.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",9,0,3,0)  

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 156
$System_Drawing_Point.Y = 106
$label2.Location = $System_Drawing_Point
$label2.Name = "label2"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 23
$System_Drawing_Size.Width = 111
$label2.Size = $System_Drawing_Size
$label2.TabIndex = 3
$label2.Text = "Erneut erinnern in"  

$formReminder.Controls.Add($label2)


$btnDelay.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 273
$System_Drawing_Point.Y = 138
$btnDelay.Location = $System_Drawing_Point
$btnDelay.Name = "btnDelay"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 23
$System_Drawing_Size.Width = 97
$btnDelay.Size = $System_Drawing_Size
$btnDelay.TabIndex = 2
$btnDelay.Text = "&Später"  
$btnDelay.UseVisualStyleBackColor = $True
$btnDelay.add_Click($handler_btnDelay_Click)

$formReminder.Controls.Add($btnDelay)


$btnReboot.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 173
$System_Drawing_Point.Y = 138
$btnReboot.Location = $System_Drawing_Point
$btnReboot.Name = "btnReboot"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 23
$System_Drawing_Size.Width = 94
$btnReboot.Size = $System_Drawing_Size
$btnReboot.TabIndex = 1
$btnReboot.Text = "&Neustart"  
$btnReboot.UseVisualStyleBackColor = $True
$btnReboot.add_Click($handler_btnReboot_Click)

$formReminder.Controls.Add($btnReboot)

$label1.DataBindings.DefaultDataSourceUpdateMode = 0
$label1.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",9,0,3,0)  

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 30
$System_Drawing_Point.Y = 51
$label1.Location = $System_Drawing_Point
$label1.Name = "label1"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 51
$System_Drawing_Size.Width = 340
$label1.Size = $System_Drawing_Size
$label1.TabIndex = 0
$label1.Text = "Windows kann Dateien und Dienste nicht aktualisieren solange sie benutzt werden. Stellen sich sicher das sie Ihre Arbeit speichern bevor sie neu starten."  
$formReminder.Controls.Add($label1)

#endregion Generated Form Code

#Save the initial state of the form
$InitialFormWindowState = $formReminder.WindowState
#Init the OnLoad event to correct the initial state of the form
$formReminder.add_Load($OnLoadForm_StateCorrection)

Hide-PowerShell
$formReminder.ShowDialog()
while($timer.Enabled){
    [System.Windows.Forms.Application]::DoEvents()
    sleep -Milliseconds 500
}