Why I cannot "set" what I got with "get"?

Question

Csaba 2020-8-15

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/579915-why-i-cannot-set-what-i-got-with-get

评论： Walter Roberson 2020-8-16

I have the following code:

hfig=figure(1);
clf;
c(1) = uicontrol(hfig...
             ,'Style','text'...
             ,'Position',[20 20 60 80]...
             ,'String','text-1'...
             );
         
c(2) = uicontrol(hfig...
             ,'Style','text'...
             ,'Position',[20 110 60 80]...
             ,'String','text-2'...
             );         
c(3) = uicontrol(hfig...
             ,'Style','text'...
             ,'Position',[20 200 60 80]...
             ,'String','text-3'...
             );
         
c(4) = uicontrol(hfig...
             ,'Style','text'...
             ,'Position',[20 290 60 80]...
             ,'String','text-4'...
             );         
zz=get(c, 'String')
zz =
  4×1 cell array
    {'text-1'}
    {'text-2'}
    {'text-3'}
    {'text-4'}
set(c,'String',zz)

(I have inserted the printout from Command window just for clarity).

Before issuing set command, the figure looks like this:

After issuing the set command:

Is it possible to use "set" command to set different objects' property to different value? If I set back what I got, it should be the same shouldn't it???

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Answer 1

Antonio Ciociola 2020-8-15

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/579915-why-i-cannot-set-what-i-got-with-get#answer_480291

在 MATLAB Online 中打开

Try this:

set(c,{'String'},zz);

For more information take a look to "set" reference page: Set Help

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Csaba 2020-8-16

Thanks! I checked "set" but did not realized this feature.

Walter Roberson 2020-8-16

It is obscure, and I keep having to test to re-invent it because I keep getting confused on how to work it with multiple objects and multiple properties and with different values for each.

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