Open next folder - Tablacus Explorer

OpenNextFolder.js

const FV = GetFolderView(Ctrl, pt);
const pid1 = FV.FolderItem;
const Items = api.ILGetParent(pid1).GetFolder.Items();
const ar = [];
for (let i = Items.Count; i-- > 0;) {
  ar[i] = i; 
}
ar.sort(function (a, b) {
  return api.CompareIDs(0, Items.Item(a), Items.Item(b));
});
let j = 0;
for (let i = ar.length; i-- > 0;) {
  const pid2 = Items.Item(ar[i]);
  if (IsFolderEx(pid2)) {
    if (api.ILIsEqual(pid1, pid2)) {
      if (j) {
        Navigate(Items.Item(ar[j]), SBSP_SAMEBROWSER);
      }
      break;
    }
    j = i;
  }
}