Powershell ComboBox neben Dynamischer Checkbox

[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null  
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null  

$form1 = New-Object System.Windows.Forms.Form
$button1 = New-Object System.Windows.Forms.Button
$listBox1 = New-Object System.Windows.Forms.ListBox
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState


#----------------------------------------------
#Generated Event Script Blocks
#----------------------------------------------

$handler_button1_Click= 
{
    # Iterate over the checkboxes, one by one
    if ( $form1.Controls['Checkbox2'].Checked -eq $true ){write-host "test2"}  
    if ( $form1.Controls['Checkbox5'].Checked -eq $true ){write-host "test5"}  
    if (($form1.Controls | ? Text -eq 'Test1').Checked){  
     write-host "test1"  
}
}

$OnLoadForm_StateCorrection=
{#Correct the initial state of the form to prevent the .Net maximized form issue
    $form1.WindowState = $InitialFormWindowState
}

#----------------------------------------------
#region Generated Form Code
$form1.Text = "Primal Form"  
$form1.Name = "form1"  
$form1.DataBindings.DefaultDataSourceUpdateMode = 0
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 450
$System_Drawing_Size.Height = 236
$form1.ClientSize = $System_Drawing_Size


# Keep track of number of checkboxes
$CheckBoxCounter = 1

$CheckBoxLabels=@(
"Test1"  
"Test2"  
"Test3"  
"Test4"  
)

# When we create a new textbox, we add it to an array for easy reference later
$CheckBoxes = foreach($Label in $CheckBoxLabels) {
    $CheckBox = New-Object System.Windows.Forms.CheckBox        
    $CheckBox.UseVisualStyleBackColor = $True
    $System_Drawing_Size = New-Object System.Drawing.Size
    $System_Drawing_Size.Width = 104
    $System_Drawing_Size.Height = 24
    $CheckBox.Size = $System_Drawing_Size
    $CheckBox.TabIndex = 2

    # Assign text based on the input
    $CheckBox.Text = $Label

    $System_Drawing_Point = New-Object System.Drawing.Point
    $System_Drawing_Point.X = 25
    # Make sure to vertically space them dynamically, counter comes in handy
    $System_Drawing_Point.Y = 15 + (($CheckBoxCounter - 1) * 20)
    $CheckBox.Location = $System_Drawing_Point
    $CheckBox.DataBindings.DefaultDataSourceUpdateMode = 0

    # Give it a unique name based on our counter
    $CheckBox.Name = "CheckBox$CheckBoxCounter"  

    # Add it to the form
    $form1.Controls.Add($CheckBox)
    # return object ref to array
    $CheckBox
    # increment our counter
    $CheckBoxCounter++
}

$ComboBoxLogPicker               = New-Object system.Windows.Forms.ComboBox
$ComboBoxLogPicker.width         = 100
$ComboBoxLogPicker.height        = 8
$System_Drawing_Point.X = 27
$System_Drawing_Point.Y = 15 + (($CheckBoxCounter - 1) * 21)
$ComboBoxLogPicker.location      = $System_Drawing_Point
$ComboBoxLogPicker.Font          = 'Microsoft Sans Serif,8'  
$LogPickerOptions                = "1", "2", "3", "4"  
foreach($Picker in $LogPickerOptions){
    $ComboBoxLogPicker.Items.Add($Picker)
}
$form1.Controls.Add($ComboBoxLogPicker)

$button1.TabIndex = 4
$button1.Name = "button1"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 75
$System_Drawing_Size.Height = 23
$button1.Size = $System_Drawing_Size
$button1.UseVisualStyleBackColor = $True

$button1.Text = "Run Script"  

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 27
$System_Drawing_Point.Y = 15 + (($CheckBoxCounter - 1) * 30)
$button1.Location = $System_Drawing_Point
$button1.DataBindings.DefaultDataSourceUpdateMode = 0
$button1.add_Click($handler_button1_Click)

$form1.Controls.Add($button1)

$listBox1.FormattingEnabled = $True
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 301
$System_Drawing_Size.Height = 212
$listBox1.Size = $System_Drawing_Size
$listBox1.DataBindings.DefaultDataSourceUpdateMode = 0
$listBox1.Name = "listBox1"  
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 137
$System_Drawing_Point.Y = 13
$listBox1.Location = $System_Drawing_Point
$listBox1.TabIndex = 3

$form1.Controls.Add($listBox1)




#Save the initial state of the form
$InitialFormWindowState = $form1.WindowState
#Init the OnLoad event to correct the initial state of the form
$form1.add_Load($OnLoadForm_StateCorrection)
#Show the Form
$form1.ShowDialog()| Out-Null