uiparent in Matlab 2013b
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Good day everyone.
I have a question about syntax of a "uipanel". In documentation of my 2013b version I see the following:
Section "Description"
p = uipanel( parent ,Name,Value,...) creates a uipanel with a specific parent and one or more uipanel properties.
And in the "Example":
h = figure; hp = uipanel('Title','Main Panel','FontSize',12,... 'BackgroundColor','white',... 'Position',[.25 .1 .67 .67]);
hsp = uipanel( 'Parent',hp ,'Title','Subpanel','FontSize',12,... 'Position',[.4 .1 .5 .5]);
Does *parent* in Description really mean *'Parent',hp* or I can write just *hp* as a *parent*?
回答（2 个）
Giorgos Papakonstantinou
2015-3-5
These are value/pair arguments. That means you have to write explicitly:
hsp = uipanel('Parent', hp)
Adam
2015-3-5
Matlab functions usually have numerous allowed calling syntaxes. In some cases if you use 'Name', 'Value' pairs for any of the arguments you must do so for all the arguments.
However, in other cases this is not necessary.
p = uipanel
p = uipanel(Name,Value,...)
p = uipanel(parent)
p = uipanel(parent,Name,Value,...)
are the allowed calling syntaxes (in Matlab R2014b - I assume it hasn't changed since R2013b) for a uipanel.
As you can see, parent is the one argument that is different from all the rest and can be passed in without the 'Parent' name field if you so wish. So where parent is concerned:
hsp = uipanel( 'Parent',hp ,'Title','Subpanel','FontSize',12,... 'Position',[.4 .1 .5 .5]);
and
hsp = uipanel( hp ,'Title','Subpanel','FontSize',12,... 'Position',[.4 .1 .5 .5]);
should be exactly equivalent.
Note though that every other argument passed to uipanel must be in the form of 'Name', 'Value' pairs.
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