How to resize two texbox proportionally?

[C# Programming]

I have a winform with two texboxes, one below the other.

When i resize horizontal there is no problem, but when i want to resize vertical only can resize one and i need to resize both proportionally.

Already tryed many anchor property configurations without luck...

Any idea?

Thanks in advance. http://www.barakasoft.com/script/Forums/Images/smiley_smile.gif