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Very rarely-used function. This function is used to emit an expose event signals on a widget. This function is not normally used directly...
If you want to force an area of a window to be redrawn, use gdk_window_invalidate_rect() or gdk_window_invalidate_region(). To cause the redraw to be done immediately, follow that call with a call to gdk_window_process_updates().
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int main (int argc, char *argv[])
{
if (!g_thread_supported ())
{
g_thread_init (NULL);
}
gdk_threads_init ();
gtk_init (&argc, &argv);
......
gdk_threads_enter ();
gtk_main ();
gdk_threads_leave ();
}
void thread_monitor (void *arg)
{
while (1)
{
gdk_threads_enter ();
gdk_window_invalidate_rect (draw_area->window,
NULL, FALSE);
gdk_window_process_updates (draw_area->window,
FALSE);
XFlush (GDK_WINDOW_XD
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