public static void ClearAllBindings(object targetObjectOrType)
{
if (targetObjectOrType == null)
{
throw new ArgumentNullException("targetObjectOrType");
}
lock (instances)
{
int hashCode = targetObjectOrType.GetHashCode();
foreach (var key in instances.Keys.Where(kvp => kvp.Value == hashCode).ToList())
{
var list = instances[key];
for (int i = list.Count - 1; i >= 0; i--)
{
DumbBinding binding = list[i];
if (object.Equals(targetObjectOrType, binding.Target.TargetObject) || binding.Target.TargetObject == null)
{
binding.Clear();
list.RemoveAt(i);
}
}
if (list.Count == 0)
{
instances.Remove(key);
}
}
}
}
public static DumbBinding SetBinding(DumbBindingTarget target, BindingBase bindingToSource)
{
lock (instances)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
DumbBinding result = new DumbBinding(bindingToSource, target);
ClearBinding(target);
object targetObject = target.TargetObject;
if (targetObject == null)
{
throw new ArgumentException("target.TargetObject is no longer alive.", "target");
}
KeyValuePair <int, int> key = new KeyValuePair <int, int>(target.GetHashCode(), targetObject.GetHashCode());
if (instances.ContainsKey(key))
{
instances[key].Add(result);
}
else
{
instances.Add(key, new List <DumbBinding>()
{
result
});
}
return(result);
}
}
/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to this instance.
/// </summary>
/// <param name="obj">The <see cref="System.Object"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(object obj)
{
DumbBinding other = obj as DumbBinding;
return(other != null &&
((this.SourcePropertyChangedHandle != null &&
PropertyChangedHandle.Equals(this.SourcePropertyChangedHandle, other.SourcePropertyChangedHandle, false)) ||
(this.SourceMultiPropertyChangedHandle != null &&
MultiPropertyChangedHandle.Equals(this.SourceMultiPropertyChangedHandle, other.SourceMultiPropertyChangedHandle, false))) &&
object.Equals(this.Target, other.Target));
}
public static void ClearBinding(DumbBindingTarget target)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
object targetObject = target.TargetObject;
if (targetObject == null)
{
throw new ArgumentException("target.TargetObject is no longer alive.", "target");
}
lock (instances)
{
KeyValuePair <int, int> key = new KeyValuePair <int, int>(target.GetHashCode(), targetObject.GetHashCode());
if (instances.ContainsKey(key))
{
var list = instances[key];
for (int i = list.Count - 1; i >= 0; i--)
{
DumbBinding binding = list[i];
if (object.Equals(target, binding.Target) || binding.Target.TargetObject == null)
{
binding.Clear();
list.RemoveAt(i);
}
}
if (list.Count == 0)
{
instances.Remove(key);
}
}
}
}
