如何测量获取控件高宽

Column() { 
  Text(this.message) 
    .fontSize(50) 
    .fontWeight(FontWeight.Bold) 
} 
.onAreaChange((oldArea:Area, newArea:Area)=> { 
  hilog.info(0x0000, 'testTag', 'width = %{public}d, height = %{public}d', 
    Number.parseFloat(newArea.width.toString()), Number.parseFloat(newArea.height.toString())); 
})
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