isappdata - True if application-defined data exists
Syntax
isappdata(h,name)
Description
isappdata(h,name) returns 1 if
application-defined data with the specified name exists
on the object specified by handle h, and returns 0 otherwise.
Remarks
Application data is data that is meaningful to or defined by
your application which you attach to a figure or any GUI component
(other than ActiveX controls) through its AppData property.
Only Handle Graphics MATLAB objects use this property.
See Also
getappdata, rmappdata, setappdata
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