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IP Netzklasse bestimmen mit GUI
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function ipclass ([string]$ip) { | |
[array]$x = $ip.Split(".") | |
if($x[0] -le 127) | |
{ | |
return "A"; | |
} | |
if($x[0] -gt 127 -and $x[0] -le 191) | |
{ | |
return "B"; | |
} | |
if($x[0] -gt 191 -and $x[0] -le 223) | |
{ | |
Return "C" | |
} | |
} | |
function validip($ip) { | |
$aip = $ip.split(".") | |
if ($aip.Length -ne 4) { | |
Write-Host ("1") | |
return $false; | |
} | |
foreach ($oktett in $aip) { | |
if ([int]$oktett -le 0 -or [int]$oktett -gt 255) { | |
Write-Host ("2 "+$oktett) | |
return $false | |
} | |
} | |
return $true; | |
} | |
$myForm = New-Object System.Windows.Forms.Form | |
$tf = New-Object System.Windows.Forms.TextBox | |
$l = New-Object System.Windows.Forms.Label | |
$tf.Location="30,10"; | |
$tf.Text="0.0.0.0" | |
$l.Location="30,50"; | |
$l.Width=280 | |
$l.Text="?" | |
$tf.add_KeyDown({ | |
if ($_.KeyCode -eq "Return") { | |
$ip = $tf.Text | |
if (validip($ip)) { | |
$c = ipclass($tf.Text) | |
$l.Text="Es Handelt sich um ein Klasse "+$c+" Netz" | |
} | |
else { | |
$l.Text="Es Handelt sich um keine gültige IP Adresse" | |
} | |
} | |
else { | |
$l.Text="" | |
} | |
}) | |
$myForm.Size="330,150" | |
$myForm.Controls.add($tf) | |
$myForm.Controls.add($l) | |
$myForm.Text="IP Klassenrechner" | |
$myForm.ShowDialog(); |
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