how filter "*.*" when using uigetfile function.

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when load a file by uigetfile can see (*.*) , althougth i only filter the "*.mat";"*.xls";"*.xlsx" . so how can i implement the drop-down menu is not displayed(*.*)
[FileName, FilePath] = uigetfile(["*.mat";"*.xls";"*.xlsx"]);

Accepted Answer

Stephen23 on 16 Sep 2022
Edited: Stephen23 on 16 Sep 2022
If there are no descriptors, the "All files" is automatically appened onto the end of the filter. The solution is to add descriptors to your filter string array, e.g.:
[FileName, FilePath] = uigetfile(["*.mat","ABC";"*.xls","DEF";"*.xlsx","GHI"])
Of course you should change the descriptors to suit those file extensions.

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