[tips] use Matlab GUI to read files in dialog mode

        stay MATLAB Interface design process , It is often necessary to call the dialog box for reading files by pressing the key , It can be realized through the following code ：

[filename,pathname]=uigetfile({'*.jpg',' Sample file (*.jpg)';'*,*',' All the files (*.*)'},' Please select a sample file ');
if isequal(filename,0)||isequal(pathname,0)
    return;
end

FileName_AVI            = [pathname,filename];

here , function GUI Interface , The following dialog box can pop up ：

  You can see , Prompt in dialog box jpg File format , If it is changed to other , You can also make similar files , Such as txt file , As shown below ：

[filename,pathname]=uigetfile({'*.txt',' Sample file (*.txt)';'*,*',' All the files (*.*)'},' Please select a sample file ');
if isequal(filename,0)||isequal(pathname,0)
    return;
end

FileName_AVI            = [pathname,filename];

here , function GUI Interface , The following dialog box can pop up ：

  After running , The path of the file will be saved to the variable FileName_AVI in , Then read it .