using System;
 
public class Test
{
	public static void Main()
	{
		// your code goes here
	}
}
 

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mports System.Runtime.InteropServices

Module TaskbarControl
    <DllImport("user32.dll")>
    Private Function FindWindow(lpClassName As String, lpWindowName As String) As IntPtr
    End Function

    <DllImport("user32.dll")>
    Private Function ShowWindow(hWnd As IntPtr, nCmdShow As Integer) As Integer
    End Function

    Const SW_HIDE As Integer = 0
    Const SW_SHOW As Integer = 5

    Sub Main()
        ' Taskleiste ausblenden
        Dim taskbarHandle As IntPtr = FindWindow("Shell_TrayWnd", Nothing)
        ShowWindow(taskbarHandle, SW_HIDE)

        ' Symbole ausblenden
        Dim notificationAreaHandle As IntPtr = FindWindow("Shell_SecondaryTrayWnd", Nothing)
        If notificationAreaHandle <> IntPtr.Zero Then
            ShowWindow(notificationAreaHandle, SW_HIDE)
        End If

        ' Warten bis das Programm manuell geschlossen wird
        Console.WriteLine("Drücken Sie eine Taste, um die Taskleiste wieder anzuzeigen...")
        Console.ReadKey()

        ' Taskleiste wieder anzeigen
        ShowWindow(taskbarHandle, SW_SHOW)
        ShowWindow(notificationAreaHandle, SW_SHOW)
    End Sub
End Module