public bool ToggleFullscreen(RDisplayMode displayMode) { try { if (_renderControl.IsFullscreen) { DisplayDevice.Default.RestoreResolution(); if (_renderControl.GetType() == typeof(GameWindowRenderControl)) { (_renderControl as GameWindowRenderControl).GameWindow.WindowState = WindowState.Normal; } _renderControl.IsFullscreen = false; RLog.Info("No longer in fullscreen mode."); } else { if (_renderControl.GetType() == typeof(GameWindowRenderControl)) { DisplayDevice.Default.ChangeResolution(displayMode.Width, displayMode.Height, 32, -1); (_renderControl as GameWindowRenderControl).GameWindow.Size = new System.Drawing.Size(displayMode.Width, displayMode.Height); (_renderControl as GameWindowRenderControl).GameWindow.WindowState = WindowState.Fullscreen; _renderControl.IsFullscreen = true; RLog.Info(String.Format("Fullscreen mode activated : {0}", displayMode)); } } return(true); } catch (Exception e) { RLog.Error("Error attempting to go fullscreen."); RLog.Error(e); return(false); } }