src/vs/platform/windows/electron-main/window.ts/CodeWindow/doSetMenuBarVisibility
class CodeWindow:	private doSetMenuBarVisibility(visibility: MenuBarVisibility): void {
		const isFullscreen = this.isFullScreen;

		switch (visibility) {
			case ('classic'):
				this._win.setMenuBarVisibility(!isFullscreen);
				this._win.autoHideMenuBar = isFullscreen;
				break;

			case ('visible'):
				this._win.setMenuBarVisibility(true);
				this._win.autoHideMenuBar = false;
				break;

			case ('toggle'):
				this._win.setMenuBarVisibility(false);
				this._win.autoHideMenuBar = true;
				break;

			case ('hidden'):
				this._win.setMenuBarVisibility(false);
				this._win.autoHideMenuBar = false;
				break;
		}
	}