Canvas.Left 属性 是用哪个单位测量的？

In which unit the Canvas.Left property is measured?

我想知道 属性 Canvas.Left 和 Canvas.Top 的测量单位，因为我有一个 3D 点的坐标，我想缩放它们。

WPF supports automatic scaling by using the device independent pixel as its primary unit of measurement, instead of hardware pixels; graphics and text scale properly without any extra work from the application developer.

独立于设备pixels/units。您可以在文档中阅读更多内容 here and here: