'宣言 Public MustOverride Sub MeasureAutoSize()
'使用法 Dim instance As C1TextLayout instance.MeasureAutoSize()
public abstract void MeasureAutoSize()
'宣言 Public MustOverride Sub MeasureAutoSize()
'使用法 Dim instance As C1TextLayout instance.MeasureAutoSize()
public abstract void MeasureAutoSize()