private void button2_Click(object sender, EventArgs e) { //this.Visible = false; //this.WindowState = FormWindowState.Minimized; Caliberation f1 = new Caliberation(); f1.Show(); InteractiveFloorGame.ControlForm f2 = new InteractiveFloorGame.ControlForm(); f2.Show(); f2.Left = 20; f2.Top = 20; f1.Left = 850; f1.Top = 20; // f1.WindowState = FormWindowState.Maximized; // f2.WindowState = FormWindowState.Maximized; }