How to set default file in matlab gui??

Hello, I am working with matlab GUI,when I click a pushbutton,It should go to fileselector

( I have used this line of code:[filename pathname]=uigetfile({'*.txt'},'File selector','Multiselect','on') )

to select a two text file ,after this how to make particular two files which I want is default one.

so that I can use this for further process.

[sonu]

thanks for viewing and not answering

[Adam]

This is the 4th question you have asked on the same subject!