/// <summary>
/// Determines whether the specified objects are equal.
/// </summary>
/// <param name="x">The first <see cref="MemberInfo"/> instance to compare.</param>
/// <param name="y">The second <see cref="MemberInfo"/> instance to compare.</param>
/// <returns>
/// <see langword="true"/> if the specified objects are considered equal; otherwise,
/// <see langword="false"/>.
/// </returns>
/// <remarks>
/// <para>
/// <paramref name="x"/> and <paramref name="y"/> are considered equal if x is exactly
/// equal to y. If not, they are still considered equal if both instances'
/// <see cref="MemberInfo.DeclaringType"/> and <see cref="MemberInfo.Name"/> properties are
/// equal.
/// </para>
/// </remarks>
public bool Equals(MemberInfo x, MemberInfo y)
{
if ((x == null) && (y == null))
{
return(true);
}
if (x == null)
{
return(false);
}
if (y == null)
{
return(false);
}
if (x.Equals(y))
{
return(true);
}
if (x.DeclaringType == null)
{
return(false);
}
if (y.DeclaringType == null)
{
return(false);
}
return(MemberInfoEqualityComparer.AreTypesRelated(x.DeclaringType, y.DeclaringType) &&
x.Name == y.Name);
}
/// <summary>
/// Evaluates whether a request matches the property or field reserved by this command.
/// </summary>
/// <param name="request">The specimen request.</param>
/// <returns>
/// <see langword="true"/> if <paramref name="request"/> is is a <see cref="PropertyInfo"/>
/// or <see cref="FieldInfo"/> that identifies the property or field reserved by this
/// <see cref="BindingCommand{T, TProperty}"/>; otherwise, <see langword="false"/>.
/// </returns>
public bool IsSatisfiedBy(object request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
IEqualityComparer comparer = new MemberInfoEqualityComparer();
return(comparer.Equals(this.member, request));
}
