Does anyone experienced the communication between two running forms(at the same time). For example: to send common shared data between these two forms. I hve tried globle variable and shared library data, both don't work. Notice: these two forms running at the same time, and they must syncronize with each other in order to respond accordinglly. I don't want to create a dummy file in one process of one form, and let the other process of the other process check this file frequently -- this is some awkward.