Why can't i open uigetdir dialog box while run the program?

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SEA-KEONG 2014-4-21

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评论： Image Analyst 2014-4-22

When i place a break point on the line of function uigetdir(), i can open the dialog box when i step over (F10) the function line.

But if i remove the break point and run the program, the execution will pass the line of function uigetdir() and no dialog box shows up.

I wonder if i need to add uiwait() after that, but i don't know how to use it. If i directly add uiwait() after it, it will hold the whole program.

Thanks!

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Image Analyst 2014-4-22

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You don't need uiwait() after the call to uigetdir(). Can you post a small snippet of the program to illustrate your problem. For example, this code definitely asks for the folder before it puts up the message box:

clc;    % Clear the command window.
close all;  % Close all figures (except those of imtool.)
clear;  % Erase all existing variables.
workspace;  % Make sure the workspace panel is showing.
folder = uigetdir();
msgbox('Done with demo');

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SEA-KEONG 2014-4-22

so anyway i can let uigetdir() hang a little bit longer? Actually the hanging time is not that long... Thanks!

Image Analyst 2014-4-22

I'm sure it doesn't take that long for you because you have access to that folder on your server. But the point is, I don't see any difference depending on if there is or is not a breakpoint. Either way it calls uigetdir() before it continues on.

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