Mouse paste option problem

I am woring in gtk based application. copy/paste option is not working if i run my application (both mouse and keyboard). i have used customized theme for my application. Before and after quitting the application it is working fine. what are the api’s that will make copy buffer to clear? or any other ideas why does it happen?

We can realy not guess what you are doing without a proper description. What version of openSUSE are you using. What Desktop Environment tio begin with.

A good prolbem description has three parts: what did you do, what did you expect to hapen, what did happen instead. And as we can not look over your shoulders, you must realy explain things like: I left click … and then …