static void CreateForeignKey(IModelMemberOneToManyCollection modelMemberOneToManyCollection, XPObjectSpace objectSpace, XpandCustomMemberInfo customMemberInfo) {
if (CanCreateForeignKey(modelMemberOneToManyCollection, objectSpace)) {
var throwUnableToCreateDbObjectException = ((IModelOptionMemberPersistent) modelMemberOneToManyCollection.Application.Options).ThrowUnableToCreateDbObjectException;
var xpCustomMemberInfo = customMemberInfo.GetAssociatedMember() as XPCustomMemberInfo;
if (xpCustomMemberInfo == null) throw new NullReferenceException("xpCustomMemberInfo");
objectSpace.CreateForeignKey(xpCustomMemberInfo,throwUnableToCreateDbObjectException);
modelMemberOneToManyCollection.AssociatedMember.DataStoreForeignKeyCreated = true;
modelMemberOneToManyCollection.DataStoreForeignKeyCreated = true;
}
}