Progress bar example when button is pressed about examples HOT 4 OPEN

let directory_combobox_weak2 = directory_combobox.downgrade();
let messageval_label_weak2 = messageval_label.downgrade();
let from_entry_weak2 = from_entry.downgrade();
let to_entry_weak2 = to_entry.downgrade();
let iconsize_entry_weak2 = iconsize_entry.downgrade();
let icon_view_weak2 = icon_view.downgrade();
let progress_progressbar_weak2 = progress_progressbar.downgrade();



listgroup_button.connect_clicked(clone!(directory_combobox_weak2, messageval_label_weak2, from_entry_weak2, to_entry_weak2, iconsize_entry_weak2, progress_progressbar_weak2 => move|_| {
    let directory_combobox = upgrade_weak!(directory_combobox_weak2);
    let messageval_label = upgrade_weak!(messageval_label_weak2);
    let from_entry = upgrade_weak!(from_entry_weak2);
    let to_entry = upgrade_weak!(to_entry_weak2);
    let iconsize_entry = upgrade_weak!(iconsize_entry_weak2);
    let icon_view = upgrade_weak!(icon_view_weak2);
    let progress_progressbar = upgrade_weak!(progress_progressbar_weak2);
    progress_progressbar.set_fraction(0.5);