ExpressionEvaluator - Scripted

using System;
using System.Windows.Forms;
using ScriptMP3;
using DotNetLib.Common.Util;
using System.Drawing;

namespace Scripts {
    public class Script
    {
        public Script() {
            ExpressionDialog dlg = new ExpressionDialog();
            if(dlg.ShowDialog() == DialogResult.OK) {
                MessageBox.Show(Scripting.Push("select->calc(`" + dlg.Expression +"`)"));
            }
        }

        ~Script() {

        }

    }

    #region "Expressiondialog"

        public class ExpressionDialog : Form {

            TextBox tb;

            public string Expression {
                get {
                    return tb.Text;
                }
                set {
                    tb.Text = value;
                }
            }

            public ExpressionDialog() {

                this.FormBorderStyle = FormBorderStyle.FixedDialog;
                this.Text = "Eingabe";
                this.Size = new Size(275,95);
                this.StartPosition = FormStartPosition.CenterScreen;

                Button ok = new Button();
                ok.Text = "OK";
                ok.Location = new Point(185,35);
                ok.Click += OnOkClicked;

                tb = new TextBox();
                tb.Location = new Point(10,10);
                tb.Size += new Size(150,0);

                this.Controls.Add(tb);
                this.Controls.Add(ok);
            }

            private void OnOkClicked(Object sender, EventArgs e) {
                this.DialogResult = DialogResult.OK;
            }

        }

    #endregion
}