ComboBox Selected item action with Powershel

Hello,

I created the below PowerShell Script with .Net to get some VM information from Hyper-V and apply some firewall actions.

i created a ComboBox ( Drop Down Menu) with the VMs on the host but i need to get the host name that hosted the VM and it is not working can some one help below the whole code.

from the Combo Box you can start from Line 40.

This is the Code for the Combobox

##################################
$LVMName1 = New-Object System.Windows.Forms.Label
$LVMName1.Location = New-Object System.Drawing.Point(10,20)
$LVMName1.Size = New-Object System.Drawing.Size(280,20)
$LVMName1.Text = '1- Choose The VM Name:'
$form.Controls.Add($LVMName1)
$LHostname1 = New-Object System.Windows.Forms.Label
$LHostname1.Location = New-Object System.Drawing.Point(330,20)
$LHostname1.Size = New-Object System.Drawing.Size(280,20)
$LHostname1.Text = 'Host Name:'

$LHostname2 = New-Object System.Windows.Forms.Label
$LHostname2.Location = New-Object System.Drawing.Point(330,40)
$LHostname2.Size = New-Object System.Drawing.Size(280,20)

$U_hosts  = @('DOHPP1C11HPRV01','DOHPP1C11HPRV02','DOHPP1C11HPRV03','DOHPP3C11HPRV04', 'DOHPP3C11HPRV05','DOHPP3C11HPRV06')
$TVMName1 = New-Object System.Windows.Forms.combobox
$TVMName1.Location = New-Object System.Drawing.Point(10,40)
$TVMName1.Size = New-Object System.Drawing.Size(260,20)

foreach ($U_host in $U_hosts) {
$VMM2=get-vm -ComputerName $u_host | Select name,ComputerName
$VMM3=$VMM2.Name
$VMM4=$VMM2.ComputerName
foreach ($NoOfVM in $VMM3 ) {
$VMM4=$VMM2.ComputerName
$TVMName1.Items.add("$NoOfVM")
}

}


$form.Controls.Add($LHostname1)
$form.Controls.Add($LHostname2)
$form.Controls.Add($TVMName1)
##################################

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And below the Full Script and To run the script copy and past it on PowerShell ISE

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

$form = New-Object System.Windows.Forms.Form
$form.Text = 'Hyper-v vFirewall'
$form.Size = New-Object System.Drawing.Size(600,400)
$form.StartPosition = 'CenterScreen'

$OKButton = New-Object System.Windows.Forms.Button
$OKButton.Location = New-Object System.Drawing.Point(75,320)
$OKButton.Size = New-Object System.Drawing.Size(75,23)
$OKButton.Text = 'OK'
$OKButton.DialogResult = [System.Windows.Forms.DialogResult]::OK
$form.AcceptButton = $OKButton
$form.Controls.Add($OKButton)

$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Point(150,320)
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Text = 'Cancel'
$CancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel
$form.CancelButton = $CancelButton
$form.Controls.Add($CancelButton)

##################################
$LVMName1 = New-Object System.Windows.Forms.Label
$LVMName1.Location = New-Object System.Drawing.Point(10,20)
$LVMName1.Size = New-Object System.Drawing.Size(280,20)
$LVMName1.Text = '1- Choose The VM Name:'
$form.Controls.Add($LVMName1)
$LHostname1 = New-Object System.Windows.Forms.Label
$LHostname1.Location = New-Object System.Drawing.Point(330,20)
$LHostname1.Size = New-Object System.Drawing.Size(280,20)
$LHostname1.Text = 'Host Name:'

$LHostname2 = New-Object System.Windows.Forms.Label
$LHostname2.Location = New-Object System.Drawing.Point(330,40)
$LHostname2.Size = New-Object System.Drawing.Size(280,20)

$U_hosts  = @('DOHPP1C11HPRV01','DOHPP1C11HPRV02','DOHPP1C11HPRV03','DOHPP3C11HPRV04', 'DOHPP3C11HPRV05','DOHPP3C11HPRV06')
$TVMName1 = New-Object System.Windows.Forms.combobox
$TVMName1.Location = New-Object System.Drawing.Point(10,40)
$TVMName1.Size = New-Object System.Drawing.Size(260,20)

foreach ($U_host in $U_hosts) {
$VMM2=get-vm -ComputerName $u_host | Select name,ComputerName
$VMM3=$VMM2.Name
$VMM4=$VMM2.ComputerName
foreach ($NoOfVM in $VMM3 ) {
$VMM4=$VMM2.ComputerName
$TVMName1.Items.add("$NoOfVM")
}

}


$form.Controls.Add($LHostname1)
$form.Controls.Add($LHostname2)
$form.Controls.Add($TVMName1)
##################################



##################################

$LDirection1 = New-Object System.Windows.Forms.Label
$LDirection1.Location = New-Object System.Drawing.Point(10,80)
$LDirection1.Size = New-Object System.Drawing.Size(280,20)
$LDirection1.Text = '2- Inbound Rules Direction.'
$form.Controls.Add($LDirection1)

##################################

$LVMIP1 = New-Object System.Windows.Forms.Label
$LVMIP1.Location = New-Object System.Drawing.Point(330,80)
$LVMIP1.Size = New-Object System.Drawing.Size(280,20)
$LVMIP1.Text = 'VM IP:'
$form.Controls.Add($LVMIP1)

##################################
$LRemoteIP1 = New-Object System.Windows.Forms.Label
$LRemoteIP1.Location = New-Object System.Drawing.Point(10,110)
$LRemoteIP1.Size = New-Object System.Drawing.Size(280,20)
$LRemoteIP1.Text = '3- Please Enter Remote IP Address or Subnets:'
$form.Controls.Add($LRemoteIP1)

$TVMName13 = New-Object System.Windows.Forms.TextBox
$TVMName13.Location = New-Object System.Drawing.Point(10,130)
$TVMName13.Size = New-Object System.Drawing.Size(260,20)
$form.Controls.Add($TVMName13)

##################################

$LPorts = New-Object System.Windows.Forms.Label
$LPorts.Location = New-Object System.Drawing.Point(10,160)
$LPorts.Size = New-Object System.Drawing.Size(280,20)
$LPorts.Text = '4- Please Enter Required Ports:'
$form.Controls.Add($LPorts)

$TVMName14 = New-Object System.Windows.Forms.TextBox
$TVMName14.Location = New-Object System.Drawing.Point(10,180)
$TVMName14.Size = New-Object System.Drawing.Size(260,20)
$form.Controls.Add($TVMName14)

##################################

$LProtocol1 = New-Object System.Windows.Forms.Label
$LProtocol1.Location = New-Object System.Drawing.Point(10,210)
$LProtocol1.Size = New-Object System.Drawing.Size(280,20)
$LProtocol1.Text = '5- Choose Protocol Name:'
$form.Controls.Add($LProtocol1)

$Protocols1 = @("TCP","UDP")
$TVMName15 = New-Object System.Windows.Forms.Combobox
$TVMName15.Location = New-Object System.Drawing.Point(10,230)
$TVMName15.Size = New-Object System.Drawing.Size(260,20)
foreach($Protocols2 in $Protocols1)
{
  $TVMName15.Items.add($Protocols2)
}
$form.Controls.Add($TVMName15)

##################################

$LResults1 = New-Object System.Windows.Forms.Label
$LResults1.Location = New-Object System.Drawing.Point(10,270)
$LResults1.Size = New-Object System.Drawing.Size(280,20)
$LResults1.Text = 'Results:'
$form.Controls.Add($LResults1)

##################################

$form.Topmost = $true
$form.Add_Shown({$TVMName1.Select()})
$form.Add_Shown({$TVMName13.Select()})
$form.Add_Shown({$TVMName14.Select()})
$form.Add_Shown({$TVMName15.Select()})
$result = $form.ShowDialog()

if ($result -eq [System.Windows.Forms.DialogResult]::OK)
{
    $x = $TVMName1.Text
    $z = $TVMName13.Text
    $i = $TVMName14.Text
    $f = $TVMName15.Text
    $x
    $y
    $z
    $i
    $f
    
}

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