[gtkmm] Editable Gtk::TreeModelColumn<float> ???

[Igor Jovanovic <xigorj sezam net>]

Hello.

I can't understand why 	Gtk::TreeModelColumn<float> can not be used
with append_column_editable();

I always get this error:

dialogWindow.cc:28:   instantiated from here
/usr/include/gtkmm-2.0/gtkmm/treeview.h:1272: error: `const class
Glib::ustring' used where a floating point value was expected
/usr/include/gtkmm-2.0/gtkmm/treeview.h:1272: error: aggregate value
used where a float was expected
make: *** [dialogWindow.o] Error 1

//------------------------------------------------------------------

When Gtk::TreeModelColumn is of type <int> or <Glib::ustring>
everything goes fine.




Here is my code. Can anyone give me a hint?
....

class ModelColumnsMy : public Gtk::TreeModel::ColumnRecord
{	
	public:
	ModelColumnsMy(){
		add (col_ccena);
		}
	Gtk::TreeModelColumn<float> col_ccena;
};

....

listStore->append_column_editable ("Title", m_ColumnsMy.col_ccena);


//------------------------------------------------------------------


Thanks in advance!

-- 
Igor Jovanovic, PixelThorn Studios <www.pixelthorn.com>
--

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