Search:

Sue, here is a worked example:

132236

Acorn

Sue, two separate actions here.

In using the Text tool, you are inserting the Hamburger as a font character.
The Box is another step.

Then you group together.
The NavBar can then be made....

Sue, a Xara NavBar needs a Group of a Shape with some Text.

Open the Text Tool.
Click on your design.
Pick Insert > Symbol > Search: Hamburger.

Create a similar-sized blob - a square Box will...