In Unity GUI, when change button fontsize, how to change button size to wrap text

Question

for ex, here is my button:

I set button fontsize to 50, to button height, I change it > 50 will wrap text, but in button width, I don't know how to calculate text width so cannot determine button width

so how to determine button width to make sure button can wrap its inner text

Answer 1

我找到了解决方案，使用UnityEngine.UI.Text#preferredWidth和UnityEngine.UI.Text#preferredHeight