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6 Creating Graphical User Interfaces

Programming a GUI

After laying out the GUI and setting component properties, the next step is to

program the GUI. You program the GUI by coding one or more callbacks for

each of its components. Callbacks a re functions that e xecute in response to

some action by the user. A typical action is clicking a push button.

A GUI’s callbacks are found in an M-file that GUIDE generates automatically.

GUIDE adds templates for the most commonly used callbacks to this M-file,

butyoumaywanttoaddothers.UsetheM-fileEditortoeditthisfile.

The following figure shows the C allback template for a pus h button.

To learn more about programming a GUI, see “C reating a Simple GUI with

GUIDE” in the M ATLAB Creating GUIs documentation.

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