The SplitButton control is seemingly locked at a specific height.
(Tested with "&\#xa;" in the Content property to create a new line)
Comments: ** Comment from web user: hpyqwtyb **
(Tested with "&\#xa;" in the Content property to create a new line)
Comments: ** Comment from web user: hpyqwtyb **
It was caused by a button style setting the height.
Maybe the internal button used by the split button should have its style cleared / not inherited as its a different type?