That was my emergency-solution. The big question is why an event is raised in the beginning, but not after a button was pressed... That´s kind of strange to me...

Hi J.Holzer, All things are depend on your Custom-Control. What approach you are using while developing, you can optimize the performance of control. While developing custom control you can follow some tips. 1) Before rendering control load all images. 2) Choose appropriated data type. 3) Use off bitmap screen. 4) Try use less property Pavan Pareta

That´s the same thing i experienced. Strange... Thanx anyway!

J. Holzer wrote: the server build another IP-Connection Have you looked at the documentation for Winsock2[^]? Things like calling setsockopt for SO_KEEPALIVE can return errors when the connection is down. led mike

Theres a great site for .Net interop called pinvoke.net[^]. if you check down the lefthand side you'll see a winmm.dll node down at the bottom :)

I do have a debug-writer. But i always get different code-lines with that. The thread-sync is done by events, that are sent between the threads (this is because of the architecture and the needs of the app). Each class takes handles events it receives. What i got a few minutes ago was a "ExecutionEngineException" while closing a Logging-FileStream. Maybe this could be a hint on where the error might be...

Then I'm out of ideas, sorry. Alcohol. The cause of, and the solution to, all of life's problems - Homer Simpson

hi.. maybe this can help you http://www.codeproject.com/csharp/winconsole.asp?df=100&forumid=16021[^] greets m@u

I plan a Desktop-App, that should work on it´s own without any external software. So all data-access-routines should be in my software/.net-framework. I wonder if an sql-query is that fast. The results should be seen instantly, while typing the pattern i´m searching for...