isidor2706
Hi,
suchst Du CaretIndex
https://msdn.microsoft.com/de-de/library/system.windows.controls.textbox.caretindex.aspx
bzw. SelectionStart?
http://stackoverflow.com/questions/526540/how-do-i-find-the-position-of-a-cursor-in-a-text-box-c-sharp
https://msdn.microsoft.com/de-de/library/system.windows.forms.textboxbase.selectionstart.aspx
Gruß, Stefan Microsoft MVP - Visual Developer ASP/ASP.NET http://www.asp-solutions.de/ - Consulting, Development http://www.aspnetzone.de/ - ASP.NET Zone, die ASP.NET Community