private static void VerifyValueType(object value)
{
if (!ReadOnlyCollection <T> .IsCompatibleObject(value))
{
ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(T));
}
}
int IList.IndexOf(object value)
{
if (ReadOnlyCollection <T> .IsCompatibleObject(value))
{
return(this.IndexOf((T)value));
}
return(-1);
}
bool IList.Contains(object value)
{
if (ReadOnlyCollection <T> .IsCompatibleObject(value))
{
return(this.Contains((T)value));
}
return(false);
}