user_dg_process_message

void user_dg_process_message(void *user, window *win, FILE *write_to)

Description:

The user has to process whatever user-defined messages are sent to the process. A write-to pipe to the wish process is provided so that the user can directly issue commands there.

Arguments:

void *user INOUT Pointer to the user-defined data structure.
window *win INOUT The window that received the message.
FILE *write_to IN Pipe to the wish process.

Return values:

USER_ERROR Error. Message ignored.
USER_SUCCESS The user processed the message.