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Managing GUI Data with the Handles Structure
4-29
Application Data
Application data provides a way for applications to save and retrieve data
stored with the GUI. This technique enables you to create what is essentially
a user-defined property for an object. You can use this property to store data.
The GUI M-file uses application data to store the
handles structure.
When using the GUIDE-generated M-file, it is simpler to use
guidata than to
access application data directly.
Functions for Accessing Application Data
The following functions provide access to application data.
Functions for Accessing Application-Defined Data
Function Purpose
setappdata
Specify application data
getappdata
Retrieve named application data
isappdata
True if the named application data exists
rmappdata
Remove the named application data
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