Powershell Funktion mit mehreren Parametern (Code Optimierung)

$handler_btnOK_Click= 
{
    # Fünf Checkboxen werden durchlaufen
    1..5 | %{
        # ist die Checkbox aktiviert führe Funktion mit Nummer der Checkbox als Parameter aus
        if ($form1.Controls["checkbox$_"].checked){  
            do-action $_
        }
    }
}

# Funktion die die Aktionen ausführt
function do-action($number){
    switch($number){
        1 {msg "Action 1 fired"}  
        2 {msg "Action 2 fired"}  
        3 {msg "Action 3 fired"}  
        4 {msg "Action 4 fired"}  
        5 {msg "Action 5 fired"}  
    }
}

# Hilfsfunktion für eine Messagebox (für Tippfaule ;-))
function msg([string]$message){
    [System.Windows.Forms.MessageBox]::Show($message)
}

#Generated Form Function
function GenerateForm {
#region Import the Assemblies
[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null  
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null  
#endregion

#region Generated Form Objects
$form1 = New-Object System.Windows.Forms.Form
$btnOK = New-Object System.Windows.Forms.Button
$checkBox5 = New-Object System.Windows.Forms.CheckBox
$checkBox4 = New-Object System.Windows.Forms.CheckBox
$checkBox3 = New-Object System.Windows.Forms.CheckBox
$checkBox2 = New-Object System.Windows.Forms.CheckBox
$checkBox1 = New-Object System.Windows.Forms.CheckBox
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
#endregion Generated Form Objects

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

$handler_btnOK_Click= 
{
    1..5 | %{
        if ($form1.Controls["checkbox$_"].checked){  
            do-action $_
        }
    }
}
function do-action($number){
    switch($number){
        1 {msg "Action 1 fired"}  
        2 {msg "Action 2 fired"}  
        3 {msg "Action 3 fired"}  
        4 {msg "Action 4 fired"}  
        5 {msg "Action 5 fired"}  
    }
}
function msg([string]$message){
    [System.Windows.Forms.MessageBox]::Show($message)
}

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

#----------------------------------------------
#region Generated Form Code
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 208
$System_Drawing_Size.Width = 157
$form1.ClientSize = $System_Drawing_Size
$form1.DataBindings.DefaultDataSourceUpdateMode = 0
$form1.Name = "form1"  
$form1.Text = "Demo"  


$btnOK.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 173
$btnOK.Location = $System_Drawing_Point
$btnOK.Name = "btnOK"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 23
$System_Drawing_Size.Width = 133
$btnOK.Size = $System_Drawing_Size
$btnOK.TabIndex = 5
$btnOK.Text = "Execute"  
$btnOK.UseVisualStyleBackColor = $True
$btnOK.add_Click($handler_btnOK_Click)

$form1.Controls.Add($btnOK)


$checkBox5.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 132
$checkBox5.Location = $System_Drawing_Point
$checkBox5.Name = "checkBox5"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 24
$System_Drawing_Size.Width = 104
$checkBox5.Size = $System_Drawing_Size
$checkBox5.TabIndex = 4
$checkBox5.Text = "checkBox5"  
$checkBox5.UseVisualStyleBackColor = $True

$form1.Controls.Add($checkBox5)


$checkBox4.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 102
$checkBox4.Location = $System_Drawing_Point
$checkBox4.Name = "checkBox4"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 24
$System_Drawing_Size.Width = 104
$checkBox4.Size = $System_Drawing_Size
$checkBox4.TabIndex = 3
$checkBox4.Text = "checkBox4"  
$checkBox4.UseVisualStyleBackColor = $True

$form1.Controls.Add($checkBox4)


$checkBox3.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 72
$checkBox3.Location = $System_Drawing_Point
$checkBox3.Name = "checkBox3"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 24
$System_Drawing_Size.Width = 104
$checkBox3.Size = $System_Drawing_Size
$checkBox3.TabIndex = 2
$checkBox3.Text = "checkBox3"  
$checkBox3.UseVisualStyleBackColor = $True

$form1.Controls.Add($checkBox3)


$checkBox2.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 42
$checkBox2.Location = $System_Drawing_Point
$checkBox2.Name = "checkBox2"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 24
$System_Drawing_Size.Width = 104
$checkBox2.Size = $System_Drawing_Size
$checkBox2.TabIndex = 1
$checkBox2.Text = "checkBox2"  
$checkBox2.UseVisualStyleBackColor = $True

$form1.Controls.Add($checkBox2)


$checkBox1.DataBindings.DefaultDataSourceUpdateMode = 0

$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 12
$checkBox1.Location = $System_Drawing_Point
$checkBox1.Name = "checkBox1"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 24
$System_Drawing_Size.Width = 104
$checkBox1.Size = $System_Drawing_Size
$checkBox1.TabIndex = 0
$checkBox1.Text = "checkBox1"  
$checkBox1.UseVisualStyleBackColor = $True

$form1.Controls.Add($checkBox1)

#endregion Generated Form Code

#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

} #End Function

#Call the Function
GenerateForm