isfield on an app-designer app

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Ken
Ken 2024-4-19
回答： Voss 2024-4-19
Trying to load data from a file into the components of an app, protecting against the fact that things might change and some components might no longer be there. But isfield isn't doing when I expect:
K>> c = app.(name)
c =
NumericEditField (10) with properties:
Value: 10
ValueDisplayFormat: '%11.4g'
RoundFractionalValues: off
Limits: [-Inf Inf]
LowerLimitInclusive: on
UpperLimitInclusive: on
ValueChangedFcn: ''
Position: [429 357 53 22]
K>> isfield(app, name)
ans =
logical
0
What am I missing? I thought isfield should give me true.

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采纳的回答

Voss
Voss 2024-4-19
Use isprop instead of isfield for checking for the existence of object (including app) properties.

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