need help in the next call back function

Question

Francis Li 2015-9-23

0
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https://ww2.mathworks.cn/matlabcentral/answers/244709-need-help-in-the-next-call-back-function

关闭： MATLAB Answer Bot 2021-8-20

I am currently working on the next push button call back function. what I want is to press the next button and it shows a picture and I press it again it shows another picture.

I know how to make a call back function for "one button for one picture". But I do not know how to deal with next push button call back function. Thanks in advance

Here is my code

if true
  % code
end
btn_type=uicontrol(fig,...
  'Style','push','units','normalized',...
  'Position',[0.01 0.32 0.08 0.04],...
  'Tooltip','Run',...
  'String','before',...
   'Callback',[...
    '']);
btn_type=uicontrol(fig,...
  'Style','push','units','normalized',...
  'Position',[0.2 0.32 0.08 0.04],...
  'Tooltip','Run',...
  'String','next',...
   'Callback',[...
    '']);