static void OverrideClosed(GLib.GType gtype, ClosedNativeDelegate callback)
{
GtkPopoverClass class_iface = GetClassStruct(gtype, false);
class_iface.Closed = callback;
OverrideClassStruct(gtype, class_iface);
}
static GtkPopoverClass GetClassStruct(GLib.GType gtype, bool use_cache)
{
if (class_structs == null)
{
class_structs = new Dictionary <GLib.GType, GtkPopoverClass> ();
}
if (use_cache && class_structs.ContainsKey(gtype))
{
return(class_structs [gtype]);
}
else
{
IntPtr class_ptr = new IntPtr(gtype.GetClassPtr().ToInt64() + class_offset);
GtkPopoverClass class_struct = (GtkPopoverClass)Marshal.PtrToStructure(class_ptr, typeof(GtkPopoverClass));
if (use_cache)
{
class_structs.Add(gtype, class_struct);
}
return(class_struct);
}
}
static void OverrideClassStruct(GLib.GType gtype, GtkPopoverClass class_struct)
{
IntPtr class_ptr = new IntPtr(gtype.GetClassPtr().ToInt64() + class_offset);
Marshal.StructureToPtr(class_struct, class_ptr, false);
}