Powershell GUI Bild einfügen

Function Create-GetSchedTime {
    Param( $SchedTime )
    $script:StartTime = (Get-Date).AddSeconds($TotalTime)
    $RestartDate = ((get-date).AddSeconds($TotalTime)).AddMinutes(-1)

    $RDate = Get-Date $RestartDate -Format 'dd/MM/yyyy'  
    $RTime = Get-Date $RestartDate -Format 'HH:mm'  

    return @{
        StartTime = $script:StartTime
        RestartDate = $RestartDate
        RDate = $RDate
        RTime = $RTime
    }
    #& C:\Windows\System32\schtasks.exe /delete /tn "Post Maintenance Restart" /f  
    & C:\Windows\System32\schtasks.exe /create /sc once /tn "Post Maintenance Restart" /tr "'C:\Windows\system32\cmd.exe' /c shutdown /r /t 400" /SD $RDate /ST $RTime /f  
}

[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null  
[System.Reflection.Assembly]::LoadWithPartialName( "Microsoft.VisualBasic") | Out-Null  

$Title = "Nachricht vom IT-Helpdesk - Aktion erforderlich"  
$Message = "Um die Installation von Windows-Updates abzuschließen, ist ein Neustart des Systems unerlässlich. Eine einfache Herunterfahrt genügt nicht. Bitte führen Sie einen Neustart durch."  
$Button1Text = "Jetzt neu starten"  
$Button2Text = "4 Std. Aufschub"  
$Button3Text = "8 Std. Aufschub"  

$FormColor = 'White'  
$Form = $null
$Button1 = $null
$Button2 = $null
$Label = $null
$TextBox = $null
$Result = $null

$timerUpdate = New-Object 'System.Windows.Forms.Timer'  
$TotalTime = 3600 #in seconds

Create-GetSchedTime -SchedTime $TotalTime
#Create-GetSchedTime -SchedTime $TotalTime

$timerUpdate_Tick={
    # Define countdown timer
    [TimeSpan]$span = $script:StartTime - (Get-Date)

    # Update the display
    $hours = "{0:00}" -f $span.Hours  
    $mins = "{0:00}" -f $span.Minutes  
    $secs = "{0:00}" -f $span.Seconds  
    $labelTime.Text = "{0}:{1}:{2}" -f $hours, $mins, $secs  

    $timerUpdate.Start()

    if ($span.TotalSeconds -le 0) {
        $timerUpdate.Stop()
        & C:\Windows\System32\schtasks.exe /delete /tn "Post Maintenance Restart" /f  
        shutdown /r /t 0
    }
}

$Form_StoreValues_Closing= {
    #Store the control values
}

$Form_Cleanup_FormClosed= {
    #Remove all event handlers from the controls
    try {
        $Form.remove_Load($Form_Load)
        $timerUpdate.remove_Tick($timerUpdate_Tick)
        #$Form.remove_Load($Form_StateCorrection_Load)
        $Form.remove_Closing($Form_StoreValues_Closing)
        $Form.remove_FormClosed($Form_Cleanup_FormClosed)
    } catch [Exception] {
    }
}

# Form
$Form = New-Object -TypeName System.Windows.Forms.Form
$Form.Text = $Title
$Form.Size = New-Object -TypeName System.Drawing.Size(500,220) # Erhöhen der Formulargröße
$Form.StartPosition = "CenterScreen"  
$Form.ControlBox = $False
$Form.Topmost = $true
$Form.KeyPreview = $true
$Form.ShowInTaskbar = $False
$Form.FormBorderStyle = "FixedDialog"  
$Form.MaximizeBox = $False
$Form.MinimizeBox = $False
$Form.BackColor = $FormColor

$Icon = [system.drawing.icon]::ExtractAssociatedIcon("c:\Windows\System32\UserAccountControlSettings.exe")  
$Form.Icon = $Icon

# Button One (Reboot/Shutdown Now)
$Button1 = New-Object -TypeName System.Windows.Forms.Button
$Button1.Size = New-Object -TypeName System.Drawing.Size(150,40) # Erhöhen der Button-Größe
$Button1.Location = New-Object -TypeName System.Drawing.Size(20,140) # Verschieben des Buttons nach rechts
$Button1.Text = $Button1Text
$Button1.Font = 'Tahoma, 10pt'  
$Button1.Add_Click({
    & C:\Windows\System32\schtasks.exe /delete /tn "Post Maintenance Restart" /f  
    shutdown /r /t 0
    $Form.Close()
})
$Form.Controls.Add($Button1)

# Button Two (Postpone for 4 Hours)
$Button2 = New-Object -TypeName System.Windows.Forms.Button
$Button2.Size = New-Object -TypeName System.Drawing.Size(150,40) # Erhöhen der Button-Größe
$Button2.Location = New-Object -TypeName System.Drawing.Size(175,140) # Zentrieren des Buttons
$Button2.Text = $Button2Text
$Button2.Font = 'Tahoma, 10pt'  
$Button2.Add_Click({
    $Button2.Enabled = $False
    $timerUpdate.Stop()
    $TotalTime = 14400
    #$TotalTime = 120
    Create-GetSchedTime -SchedTime $TotalTime
    $timerUpdate.add_Tick($timerUpdate_Tick)
    $timerUpdate.Start()
})
$Form.Controls.Add($Button2)

# Button Three (Postpone for 8 Hours)
$Button3 = New-Object -TypeName System.Windows.Forms.Button
$Button3.Size = New-Object -TypeName System.Drawing.Size(150,40) # Erhöhen der Button-Größe
$Button3.Location = New-Object -TypeName System.Drawing.Size(330,140) # Verschieben des Buttons nach links
$Button3.Text = $Button3Text
$Button3.Font = 'Tahoma, 10pt'  
$Button3.Add_Click({
    $Button3.Enabled = $False
    $timerUpdate.Stop()
    $TotalTime = 28800
    #$TotalTime = 120
    Create-GetSchedTime -SchedTime $TotalTime
    $timerUpdate.add_Tick($timerUpdate_Tick)
    $timerUpdate.Start()
})
$Form.Controls.Add($Button3)

# Label
$Label = New-Object -TypeName System.Windows.Forms.Label
$Label.Size = New-Object -TypeName System.Drawing.Size(475,60)
$Label.Location = New-Object -TypeName System.Drawing.Size(10,10)
$Label.Text = $Message
$Label.Font = 'Tahoma, 10pt'  
$Form.Controls.Add($Label)

# Label2
$Label2 = New-Object -TypeName System.Windows.Forms.Label
$Label2.Size = New-Object -TypeName System.Drawing.Size(355,30)
$Label2.Location = New-Object -TypeName System.Drawing.Size(10,100)
$Label2.Text = $Message2
$label2.Font = 'Tahoma, 10pt'  
$Form.Controls.Add($Label2)

# labelTime
$labelTime = New-Object 'System.Windows.Forms.Label'  
$labelTime.AutoSize = $True
$labelTime.Font = 'Arial, 26pt, style=Bold'  
$labelTime.Location = '175, 65' # Setzen Sie den Timer in die Mitte des Fensters  
$labelTime.Name = 'labelTime'  
$labelTime.Size = '43, 15'  
$labelTime.TextAlign = 'MiddleCenter'  
$labelTime.ForeColor = '242, 103, 34'  
$Form.Controls.Add($labelTime)

# Start the timer
$timerUpdate.add_Tick($timerUpdate_Tick)
$timerUpdate.Start()

# Show
$Form.Add_Shown({$Form.Activate()})
# Clean up the control events
$Form.add_FormClosed($Form_Cleanup_FormClosed)
# Store the control values when the form is closing
$Form.add_Closing($Form_StoreValues_Closing)
# Show the Form
$Form.ShowDialog() | Out-Null

Add-Type -AssemblyName System.Windows.Forms
[System.Windows.Forms.Application]::EnableVisualStyles()

$Form            = New-Object system.Windows.Forms.Form
$Form.ClientSize = '400,230'  
$Form.text       = "Test"  
$Form.TopMost    = $false

# This base64 string holds the bytes that make up the orange 'G' icon (just an example for a 32x32 pixel image)  
$iconBase64      = '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'  
$iconBytes       = [Convert]::FromBase64String($iconBase64)
# initialize a Memory stream holding the bytes
$stream          = [System.IO.MemoryStream]::new($iconBytes, 0, $iconBytes.Length)
$Form.Icon       = [System.Drawing.Icon]::FromHandle(([System.Drawing.Bitmap]::new($stream).GetHIcon()))