static void OverrideForall(GLib.GType gtype)
{
if (ForallCallback == null)
{
ForallCallback = new ForallDelegate(Forall_cb);
}
gtksharp_container_override_forall(gtype.Val, ForallCallback);
}
// Works around BXC #3801 - Managed Container subclasses are incorrectly resurrected, then leak.
// It does this by registering an alternative callback for gtksharp_container_override_forall, which
// ignores callbacks if the wrapper no longer exists. This means that the objects no longer enter a
// finalized->release->dispose->re-wrap resurrection cycle.
// We use a dynamic method to access internal/private GTK# API in a performant way without having to track
// per-instance delegates.
public static void FixContainerLeak <T> (T c)
{
var t = typeof(T);
if (fixedContainerTypes.Add(t))
{
if (forallCallback == null)
{
forallCallback = CreateForallCallback();
}
var gt = (GLib.GType)t.GetMethod("LookupGType", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(c, null);
gtksharp_container_override_forall(gt.Val, forallCallback);
}
}
static extern void gtksharp_container_override_forall(IntPtr gtype, ForallDelegate cb);
static void OverrideForallOld(GLib.GType gtype)
{
if (ForallOldCallback == null)
ForallOldCallback = new ForallDelegate (ForallOld_cb);
gtksharp_container_override_forall (gtype.Val, ForallOldCallback);
}
static extern void gtksharp_container_override_forall(IntPtr gtype, ForallDelegate cb);