/// <summary>
/// 用唯一值实现GetHashCode
/// </summary>
public override int GetHashCode()
{
int hash = 57;
hash = 27 * hash * DisplayMember.GetHashCode();
return(hash);
}
public override int GetHashCode()
{
unchecked
{
return(((DisplayMember != null ? DisplayMember.GetHashCode() : 0) * 397) ^ (ValueMember != null ? ValueMember.GetHashCode() : 0));
}
}
public override int GetHashCode()
{
int multiplier = 23;
if (hashCode == 0)
{
int code = 133;
code = multiplier * code + DisplayMember.GetHashCode();
code = multiplier * code + ValueMember.GetHashCode();
hashCode = code;
}
return(hashCode);
}