Hello everyone,
I'm relatively new to GTK. I'm trying to understand the Drag-and-Drop
mechanism for Treeviews. Here is my sample program:
http://en.pastebin.ca/1719087
The sample code can be compiled as is and run without modification.
gcc -g `pkg-config --cflags --libs gtk+-2.0` -o dnd dnd.c
When I click and drag a row from the left treeview and drop it into the
right hand side treeview, I get the following messages duplicated 4 times.
----------
(dnd:21965): Gtk-CRITICAL **: gtk_list_store_get_value: assertion
`VALID_ITER (iter, list_store)' failed
(dnd:21965): GLib-GObject-CRITICAL **: g_strdup_value_contents:
assertion `G_IS_VALUE (value)' failed
(dnd:21965): GLib-GObject-CRITICAL **: g_value_unset: assertion
`G_IS_VALUE (value)' failed
----------
Obviously the sample program is not functionally complete, but I cannot
understand what causes these messages and how to rectify the problem.
Does anyone know whats going on?
thanks,
Vikram.
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