# Import the necessary assemblies
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Speech

# Create the form
$form = New-Object System.Windows.Forms.Form
$form.Text = "Text-to-Speech"
$form.Size = New-Object System.Drawing.Size(400,300)

# Create the input field
$inputField = New-Object System.Windows.Forms.TextBox
$inputField.Location = New-Object System.Drawing.Size(10,10)
$inputField.Size = New-Object System.Drawing.Size(375,20)
$form.Controls.Add($inputField)

# Create the "Speak" button
$speakButton = New-Object System.Windows.Forms.Button
$speakButton.Location = New-Object System.Drawing.Size(10,40)
$speakButton.Size = New-Object System.Drawing.Size(375,20)
$speakButton.Text = "Speak"
$form.Controls.Add($speakButton)

# Define the button's click event
$speakButton.Add_Click({
    # Get the input text
    $inputText = $inputField.Text

    # Create a new speech synthesizer
    $synth = New-Object System.Speech.Synthesis.SpeechSynthesizer

    # Speak the input text
    $synth.Speak($inputText)
})

# Show the form
$form.ShowDialog()