private static int GetNextIndex(this GridSplitter gridSplitter, int index)
{
switch (gridSplitter.GetResizeBehavior())
{
case GridResizeBehavior.PreviousAndCurrent:
return(index);
case GridResizeBehavior.PreviousAndNext:
case GridResizeBehavior.CurrentAndNext:
return(index + 1);
case GridResizeBehavior.BasedOnAlignment:
default:
throw new NotSupportedException();
}
}