Hello.
I'm writing a custom widget. It's inherits from GtkContainer. So:
typedef struct _MyWidget MyWidget;
typedef struct _MyWidgetClass MyWidgetClass;
struct _MyWidget
{
GtkContainer parent;
};
struct _MyWidgetClass
{
GtkContainerClass parent_class;
};
I'm wrote a small test program:
[...]
mywidget = mywidget_new ();
gtk_container_add (GTK_CONTAINER (mywidget), button);
[...]
But I got a message:
Gtk-CRITICAL **: gtk_container_add: assertion `GTK_IS_CONTAINER
(container)' failed
Why?
Thank you.
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