QT 11 with .NET

[Sathiya]

Hi Friends,
After long time i have chance to work in qtp.... when i tried to capture the objects the dot net application got closed. please suggest me asap.... we are trying with trial version of qtp. so early solutions are welcome.

[Sathiya]

here are few more details about the application

Application developed in .net version 4 using devExpress controls 13.1.8
qtp version 11
OS windows xp.
addins tried Activex,Java,Web,WPF,Sliverlight,.net
please help to identify the devex controls.