SwitchViewMode1.js

var FV = GetFolderView(Ctrl, pt);
if (FV) {
  var hMenu = api.CreatePopupMenu(), hSubMenu;
  var ContextMenu = FV.ViewMenu();
  if (ContextMenu) {
    ContextMenu.QueryContextMenu(hMenu, 0, 1, 0x7fff, CMF_DEFAULTONLY);
    var mii = api.Memory("MENUITEMINFO");
    mii.cbSize = mii.Size;
    mii.fMask = MIIM_SUBMENU;
    for (var i = 0; i < api.GetMenuItemCount(hMenu); i++) {
      api.GetMenuItemInfo(hMenu, i, true, mii);
      if (mii.hSubMenu) {
        hSubMenu = mii.hSubMenu;
        mii.fMask = MIIM_FTYPE | MIIM_STATE;
        for (var j = 0; j < api.GetMenuItemCount(hSubMenu); j++) {
          api.GetMenuItemInfo(hSubMenu, j, true, mii);
          if (mii.fState & MFS_CHECKED && mii.fType & MFT_RADIOCHECK) {
            mii.fMask = MIIM_ID;
            if (j) {
              api.GetMenuItemInfo(hSubMenu, j - 1, true, mii);
            } else {
              mii.fMask = MIIM_ID | MIIM_FTYPE;
              for (var k = 0; k < api.GetMenuItemCount(hSubMenu); k++) {
                api.GetMenuItemInfo(hSubMenu, k, true, mii);
                if (mii.fType & MFT_SEPARATOR) {
                  mii.wID = wID;
                  break;
                }
                wID = mii.wID;
              }
            }
            if (mii.wID > 0) {
                ContextMenu.InvokeCommand(0, te.hwnd, mii.wID - 1, null, null, SW_SHOWNORMAL, 0, 0);
            }
            break;
          }
        }
        break;
      }
    }
    api.DestroyMenu(hMenu);
  }
}