javafx - How does ComboBox extend beyond the window borders? -


i noticed combobox can extend beyond window borders. i'd implement custom control of mine, can't figure out how it. can give me hint how or @ least start looking?

here link screenshot, since cannot yet post images on stackoverflow

thanks in advance

edit: ok, got answer @ orcale forums, here's link thread.

you can through 

cmbbox.setvisiblerowcount(100);

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