/// <summary>
/// Removes a <see cref="Delegate"/> from the <see cref="WeakMulticastDelegate"/>.
/// </summary>
/// <param name="delegate">The <see cref="Delegate"/> to remove.</param>
public void Remove(Delegate @delegate)
{
if (@delegate == null)
return;
for (int i = _delegates.Count - 1; i >= 0; i--)
{
InternalWeakDelegate weakDelegate = _delegates[i];
if (weakDelegate.TargetReference != null)
{
// The delegate method is an object method.
object target = weakDelegate.TargetReference.Target;
if (target == null)
{
// Remove garbage collected entry.
_delegates.RemoveAt(i);
}
else if (target == @delegate.Target
&& weakDelegate.MethodInfo.Equals(@delegate.Method))
#else
&& weakDelegate.MethodInfo.Equals(@delegate.GetMethodInfo()))
{
// Remove matching entry.
_delegates.RemoveAt(i);
break;
}
}
else
{
// The delegate method is a class method.
if (@delegate.Target == null
&& weakDelegate.MethodInfo.Equals(@delegate.Method))
#else
&& weakDelegate.MethodInfo.Equals(@delegate.GetMethodInfo()))
{
// Remove matching entry.
_delegates.RemoveAt(i);
break;
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="WeakDelegate"/> class.
/// </summary>
/// <param name="delegate">
/// The original <see cref="System.Delegate"/> to create a weak reference for.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="delegate"/> is <see langword="null"/>.
/// </exception>
public WeakDelegate(Delegate @delegate)
{
_internalWeakDelegate = new InternalWeakDelegate(@delegate);
}
