open System
open Eto.Forms
open Eto.Drawing

type MainForm () as this =
    inherit Form()
    let textBoxName = new TextBox()
    let okButton = new Button(Text = "Ok")
    do
        this.Title <- "Задача"
        okButton.Click.Add(fun e -> MessageBox.Show(textBoxName.Text) |> ignore)
     
        let layout = new StackLayout(Orientation = Orientation.Vertical,HorizontalContentAlignment =          HorizontalAlignment.Center,Spacing = 5,Padding = new Padding(10))
        layout.Items.Add(new StackLayoutItem(new Label(Text = "Тема:")))
        layout.Items.Add(new StackLayoutItem(textBoxName))
        layout.Items.Add(new StackLayoutItem(okButton))
        base.Content <- layout;