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need help in the next call back function

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Francis Li
Francis Li 2015-9-23
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',[...
'']);

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回答（1 个）

Subhra Saha
Subhra Saha 2015-10-1
You can read the images into an array and then keep an index variable to loop over the images and then display them.
Below is a link describing the same:
http://stackoverflow.com/questions/25009095/how-to-add-next-and-previous-buttons-in-matlab

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