Hello, I'm triyng to use gtk in a multithread context, and i've some problems: I want to do this: ____________________ Programme 1 ...... |.|_______________ Thread 2 .......|________________ Thread 1 create and open a gtk+ window Window problems 1/ Display wrong 2/ callbacks errors ( gtk_entry saw as gtk_butons) 3/ I have the title APPLICATION (2), as if there was 2 windows with the same title, but there is only one. To end, if I compile the thread alone, as an autonomous program, the window work perfectly. Can you explain me how to do? Thank you very much Vincent ROQUETA