Esteemed monks: thank you for your efforts.

Here is the relevant excerpt from the code:

 use strict;
 use warnings;
 use 5.014;    
 use Win32::Console;
 use Win32::GUI();
 use autodie; 
 use warnings    qw< FATAL  utf8     >;
 use Carp::Always;
 use Win32API::File::Time qw{:win};
use Image::ExifTool qw(:Public);
use Date::Parse;

# ...
my ( $FileName, $ImageDir, $DIR, $TopDir);
# ...
$TopDir = 'D:\My Documents';
    $ImageDir = Win32::GUI::BrowseForFolder( -root => $TopDir, -includ
+efiles => 1,);
    unless ($ImageDir) { 
        say '$DirName not defined after calling Win32::GUI::BrowseForF
+older, ',
        'Photo date set line'.__LINE__;
        exit;
    }
    else {
        say "Identified directory: $ImageDir";
    }    
    # now select a file
    
    $FileName = Win32::GUI::GetOpenFileName( -title  => 'Select an ima
+ge file', -directory => $ImageDir,
        -file   => "\0" . " " x 256,
        -filter => ["Image files (*.jpg)" => "*.jpg;*.jpeg", "All file
+s", "*.*", ],);
    unless ($FileName) {
        say '$FileName not defined after calling Win32::GUI::GetOpenFi
+leName, ',
        'Photo date set line'.__LINE__;
    }
    else {
        say "Identified image file: $FileName";
    }
# ...
[download]

How do you set up the style for the picker?

I have posted the code. Can you please post an example how to do that right?

Many TIA - Helen