MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Guia do Utilizador descarregar pdf (Página 278)

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8 Programming a GUIDE GUI

GUIDE names callbacks based on the callback type and the component

Tag property. For example, togglebutton1_Callb ack is such a default

callback name. If you change a component

Tag,GUIDErenamesallits

callbacks in the code file to contain the new tag. You can change the name

of a callback, replace it with another function, or remove it entirely using

the Property Inspector.

• GUIDE provide s three arg u ments to callbacks, always named the same.

• You can append a rguments to GUIDE-generated callbacks, but never alter

or remove the ones that GUIDE places there.

• You can rename a GUIDE-generated callback by editing its name or by

changing the component

Tag.

• You can de lete a c allback from a compo nen t by cle aring it from the Property

Inspector; this action does not remove anything from the code file.

• You can specify the same callback function for multiple com ponents to

enable them to share code.

After you delete a component in GUIDE, all callbacks it had remain in the

code file. If you are sure that no other com ponent uses the callbacks, you can

then remove the callback code manually. For details, see “Deleting Callbacks

from a GUI Code F ile” on page 8-14. If you need a w ay to remove a callback

without deleting its component, see .

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