Powershell Script - Grafische Oberfläche um Anwendungen zu starten

# hide powershell console
Add-Type –MemberDefinition '[DllImport("user32.dll")]public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);' -name Window -namespace W32  
[void][W32.Window]::ShowWindow((Get-Process -id $pid).MainWindowHandle, 0) 

# function that generates the form
function GenerateAppStarter {
    param(
        [parameter(mandatory=$true)][hashtable]$apps
    )
    # Load Assembly
    Add-Type -A System.Windows.Forms
    # Form object
    $form1 = New-Object System.Windows.Forms.Form -Property @{
        ClientSize = '400,300'  
        Text = "App-Starter"  
    }
    # list view object
    $lv = New-Object System.Windows.Forms.ListView -Property @{
        MultiSelect= $false
        Dock = 5
        View = 'LargeIcon'  
        # double click event starts associated application
        add_DoubleClick = {
            $lv.SelectedItems | %{start $_.Name}
        }
    }
    # add imagelist
    $imagelist = New-Object System.Windows.Forms.ImageList

    # add icons of apps to imagelist and add apps to listview
    $apps.GetEnumerator() | %{$cnt=0}{
        if (Test-Path $_.Value){
            $imagelist.Images.Add([System.Drawing.Icon]::ExtractAssociatedIcon($_.Value))
            [void]$lv.Items.Add($_.Value,$_.Key,$cnt)
            $cnt++
        }else{
            [System.Windows.Forms.MessageBox]::Show("App with path '$($_.Value)' does not exist!","Error",0,48)  
        }
    }
    # assign imagelist to listview
    $lv.LargeImageList = $imagelist
    # add listview to form
    $form1.Controls.Add($lv)
    # show form
    [void]$form1.ShowDialog()
}

# Assign apps with path
$myapps = [ordered]@{
    'Explorer' = 'C:\Windows\explorer.exe'  
    'Firefox' = 'C:\Program Files\Mozilla Firefox\firefox.exe'  
}

# call form function with apps
GenerateAppStarter -apps $myapps