private void ItemChecked_PropertyChanged(object sender, PropertyChangedEventArgs e)
 {
     BtnTransfer.TextColor = DirList.Any(x => x.ItemChecked) ? DarkTheme.themeColors["PrimaryTextColor"] : DarkTheme.themeColors["DisabledTextColor"];
     BtnCopy.TextColor     = DirList.Any(x => x.ItemChecked) ? DarkTheme.themeColors["PrimaryTextColor"] : DarkTheme.themeColors["DisabledTextColor"];
     BtnRemove.TextColor   = DirList.Any(x => x.ItemChecked) ? DarkTheme.themeColors["PrimaryTextColor"] : DarkTheme.themeColors["DisabledTextColor"];
     BtnRename.TextColor   = (DirList.All(x => x.ItemChecked) || DirList.Where(x => x.ItemChecked).Count() > 1) ? DarkTheme.themeColors["DisabledTextColor"] : DirList.Any(x => x.ItemChecked) ? DarkTheme.themeColors["PrimaryTextColor"] : DarkTheme.themeColors["DisabledTextColor"];
     BtnInfo.TextColor     = (DirList.All(x => x.ItemChecked) || DirList.Where(x => x.ItemChecked).Count() > 1) ? DarkTheme.themeColors["DisabledTextColor"] : DirList.Any(x => x.ItemChecked) ? DarkTheme.themeColors["PrimaryTextColor"] : DarkTheme.themeColors["DisabledTextColor"];
 }