public static TextPointer GetPositionLastCharOnLine(this TextPointer Start)
{
TextPointer tp = Start;
TextPointer lastChar = null;
foreach (var rv in tp.SymbolsOnLine())
{
tp = rv.Item1;
var pc = rv.Item2;
if (pc == TextPointerContext.Text)
{
var lx = tp.GetTextInRun(LogicalDirection.Forward).Length;
lastChar = tp.GetPositionAtOffset(lx - 1);
}
}
return(lastChar);
}