public void OnbtnResetClick(object sender, System.EventArgs e) { play_position.Minimum = 0; this.play_position.Maximum = Editor.Text.Length - 1; // this.play_position.Value =0; // MessageBox.Show(Editor.Text.Length.ToString()); if (btnReset.Text == "STOP") { char_no = Editor.Text.Length + 1; btnReset.Text = "READ"; } else if (btnReset.Text == "READ") { btnReset.Text = "STOP"; BODY mt = new BODY(); Thread newThrd = new Thread(this.SPEAK); // Finally, start execution of the thread. newThrd.Start(this.Editor.Text); } // MessageBox.Show("play_position.Value.ToString()"); }