private int GetStepsToNearestValidHistoryEntry(int direction)
{
var history = _webView.CopyBackForwardList();
// Iterate through every next/previous (depending on direction) history entry until a valid one is found
for (int i = history.CurrentIndex + direction; 0 <= i && i < history.Size; i += direction)
{
if (GetIsHistoryEntryValid(history.GetItemAtIndex(i).Url))
{
// return the absolute number of steps from the current entry to the nearest valid entry
return(Math.Abs(i - history.CurrentIndex));
}
}
return(0); // no valid entry found
}
