Взаимодействие форм

private void button1_Click(object sender, EventArgs e)
{
    Form2 f2 = new Form2();
    f2.PutText = this.PutTextInRTB;
    f2.ShowDialog();
}
 
private void PutTextInRTB(string text)
{
    richTextBox1.AppendText(text + Environment.NewLine);
}

public delegate void TextDelegate(string text);
public TextDelegate PutText;
private void button1_Click(object sender, EventArgs e)
{
    if (PutText != null)
        PutText(textBox1.Text);
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace SME
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void скриптspToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form2 f2 = new Form2();
            f2.PutText = this.PutTextInRTB;
 
 
 
            f2.Show();
            string sourcemod = "#include <sourcemod>";
            richTextBox1.Text = sourcemod + "\n{\n\t" + f2.textBox1.Text + "\n};";
 
     
        }
        private void PutTextInRTB(string text)
        {
            richTextBox1.AppendText(text);
           
        }

private void PutTextInRTB(string text)
{
    string sourcemod = "#include <sourcemod>";
    richTextBox1.Text = sourcemod + "\n{\n\t" + text + "\n};";
}