In a WPF application, i have a window that has a lot of fields. When the user uses the TAB key after filling each field, windows understands that it moves on to the next. Th
I think you should use that to simulate TAB :
SendKeys.Send("{TAB}");
Instead of
e.Key = Key.Tab
Sources : http://msdn.microsoft.com/en-us/library/system.windows.forms.sendkeys.send.aspx