private void timer1_Tick(object sender, EventArgs e) { if (button1.Tag != null) { show(textBox1, room.Pull(button1.Tag.ToString())); } if (button2.Tag != null) { show(textBox2, room.Pull(button2.Tag.ToString())); } //if (button3.Tag != null) //show(textBox3, room.Pull(button3.Tag.ToString())); }