renderArea.setEventCallback - help please!!

[lzha022@xxxxxxxxxxxxxxxxx]

Hi,

 I am using the function setEventCallback(...) of SoXtRenderArea because i want
 to find the mouse position relative to the root window(XAnyEvent).
 Now i have one problem:

 I can not remove the event callback after i find the mouse position.
 If the event callback is there i can not spin the image using mouse. While
i        realy want to spin the image.

 Can anyone please help me(email me) how to get rid of the event call back?

 Regards

 Alison