gui interface and variables

Question

Patrick Brown 2017-1-24

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评论： Patrick Brown 2017-1-24

hi I am developing and user interface I want to select by means of a pop menu the value of a variable function popupmenu1_Callback(velocity, eventdata, handles) vel=get(velocity,'Value')

how I can do it?. I want that the value of the string in the pop menu becomes the value of the variable vel and besides, I want this variable in the workspace to do more operations

in the two lines written vel gets the value of the position and is not available in the workspace

thanks

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Answer 1

Jorge Mario Guerra González 2017-1-24

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The structure to use popupmenu is something like this

function popupmenu1_Callback(hObject, eventdata, handles)
  option=get(handles.popupmenu1,'value');  %Now Vel has the number of option
  c=get(handles.popupmenu1,'String');
  your_string=c{option}                          %your_string has the string value
  assignin ('base','your_string',your_string)    %sends it to workspace
  guidata(hObject, handles);