Change constant block value using push button

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Hello everyone)
I want to change the value of constant block in Simulink from 0 to 1 and vice versa using push button in GUI.
function pushbutton2_Callback(hObject, eventdata, handles)
c=1
set_param('opc/Constant','value',num2str(c))
  2 Comments
goerk
goerk on 17 Dec 2015
Your code snippets look correct. Maybe you have to open/load the model first.
load_system('opc'); % or open_system('opc','loadonly')

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