如何监听窗口大小的变化

try { 
  let windowClass: window.Window = window.findWindow("test"); 
  windowClass.on('windowSizeChange', (data) => { 
    console.info('Succeeded in enabling the listener for window size changes. Data: ' + JSON.stringify(data)); 
  }); 
} catch (exception) { 
  console.error('Failed to enable the listener for window size changes. Cause: ' + JSON.stringify(exception)); 
}
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