namespace System.Windows.Forms
{
    [ComplexBindingProperties("DataSource", "DataMember")]
    [DefaultEvent("CurrentChanged")]
    [DefaultMember("Item")]
    [DefaultProperty("DataSource")]
    [Designer("System.Windows.Forms.Design.BindingSourceDesigner, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public class BindingSource : Component, ICollection, IEnumerable, IList, IBindingList, IBindingListView, ICancelAddNew, ISupportInitialize, ISupportInitializeNotification, ITypedList, ICurrencyManagerProvider
    {
        public virtual int Find(PropertyDescriptor! prop, object! key);
    }
}