销毁一个子窗口的方法

13.销毁一个子窗口的方法
// WindowModel.ets
destroySubWindow() {
  if (this.subWindowClass === undefined) {
    Logger.error('subWindowClass is undefined.');
    return;
  }
  this.subWindowClass.destroyWindow((err) => {
    if (err.code) {
      Logger.error(`Failed to destroy the window. Code:${err.code}, message:${err.message}`);
      return;
    }
  });
}