BC_Logger_control.Form1.SetText C# (CSharp) Method

        private void SetText(string text)
        {
            // InvokeRequired required compares the thread ID of the
            // calling thread to the thread ID of the creating thread.
            // If these threads are different, it returns true.
            if (this.textBox_terminal.InvokeRequired)
            {
                SetTextCallback1 d = new SetTextCallback1(SetText);
                this.BeginInvoke(d, new object[] { text });
            }
            else
            {
                this.textBox_terminal.Text += text;
            }
        }