how to change the value of a gui object using an external function (i.e without using the m file associated with the gui)?

Hello there,

The question is quite self-explanatory so i'll just add an example to make it clearer:

function [csnames] = editcs (value)
global CSPROPS

CSinterface(); *%%this initiates the GUI*

global matprops

% reset materials    
matnames = cell(length(CSPROPS(value).matprops),1);

for m = 1:length(CSPROPS(value).matprops)
    matnames(m) = {CSPROPS(value).matprops(m).name};
end

set(handles.list_materials,'String',matnames); 
%%here is where i am getting my error, which i find is probably due to any syntax error when calling out what handles.list_materials refers to.

Would really appreciate if anyone could give me an insight on this.

PN.

[Jan]

No, the question is definitively not self-explanatory. You assume a syntax error, but you do not mention the occurring error message or MLint warning. If there is no such message, why do you think, that it is probably a syntax error?

Btw.: This is more efficient:

matnames{m} = CSPROPS(value).matprops(m).name;

By this way Matlab does not have to create a cell array on the right hand side at first, but can insert the value directly in the existing cell on teh left hand side.

Answer 1

[Walter Roberson]

Was the GUI made with GUIDE? If so then

guihandle = CSinterface();
handles.list_materials = findobj(guihandle, 'tag', 'list_materials');