Re: NULL values in Gtk{List|Tree}Store ?

[Diego Zuccato <diego otello alma unibo it>]

Diego Zuccato wrote:

> Is it possible to store "null" (SQL-like semantics) values in a
> Gtk*Store ? If yes, how could I test if a cell is "null" ?
> Is GValue the answer? If yes, how can I get/set a GValue from a constant
> (for example, how do I set "GValue one" to contain the integer "1" ?).
> The only two ways I found implies accessing the GValue internals or
> using vararg function call...
Sorry to bother the list again. But I still couldn't find an answer :-(

I still couldn't understand GValue enough to derive a type... I couldn't
even figure out from WHERE to derive a "null" type... G_TYPE_INVALID ?
G_TYPE_NONE ? :-(

Please please please...

Tks,
 Diego.