The methods of the DbElement class are listed below. For a complete list of DbElement class members, see the DbElement Members topic.
Public Static Methods
  GetElement | Overloaded. Get a null Element instance. |
Public Instance Methods
| AtDefault | Query whether the named Attribute of this Element has default value. If attribute is invalid, method returns false. |
| ChangeType | Change the type of this Element. Method throws an exception if not allowed. |
| Claim | Claim this Element. Throws an exception if element cannot be claimed |
| ClaimHierarchy | Claim this Element and all its descendants. Throws an exception if all elements cannot be claimed. Even if some elements cannot be claimed, the method will claim what it can. |
| Clone | Return a new instance representing this Element. |
| CompareTo | Compare this Element with general object. |
| Copy | Copy attributes from another Element. This method throws an exception if operation fails. |
| CopyHierarchy | Copy attributes from another Element, and create a copy of Element's descendants. This method throws an exception if operation fails. |
| CopyLike | Copy only a subset of attributes from another Element, as determined by attribute definitions. Examples of attributes NOT copied are POS/ORI. The list is documented in the 'COPY LIKE' section of the database reference manual. This method throws an exception if operation fails. |
| Create | Create a new Element at given position in this Element's child list. This method throws an exception if operation fails. |
| CreateAfter | Create a new Element after this Element in owner's child list. This method throws an exception if operation fails. |
| CreateBefore | Create a new Element before this Element in owner's child list. This method throws an exception if operation fails. |
| CreateCopyHierarchyAfter | Create copy of an Element hierarchy after this Element in owner's child list. This method throws an exception if operation fails. |
| CreateCopyHierarchyAfterLast | Create copy of an Element hierarchy at the end of this Element's owner's child list. This method throws an exception if operation fails. |
| CreateCopyHierarchyBefore | Create copy of an Element hierarchy before this Element in owner's child list. This method throws an exception if operation fails. |
| CreateCopyHierarchyBeforeFirst | Create copy Element hierarchy at the beginning of this Element's owner's child list. This method throws an exception if operation fails. |
| CreateFirst | Create new Element at the beginning of this Element's child list. This method throws an exception if operation fails. |
| CreateLast | Create new Element at the end of this Element's child list. This method throws an exception if operation fails. |
| DbNo | Database number for the Database containing this Element |
| Delete | Delete this Element. This method throws an exception if operation fails. |
| DeleteRule | Delete the Rule, attached to the given Attribute, from this Element. This method throws an exception if operation fails. |
| Equals | Compare this Element with general object. |
| EvaluateBool | Evaluate boolean valued PML1 Expression against this Element. Example of such an expression is (HBORE GT 100). This method throws an exception if expression can not be evaluated. |
| EvaluateDouble | Evaluate numerical valued PML1 Expression against this Element. Example of such an expression is (DIAM * 2). This method throws an exception if expression can not be evaluated. |
| EvaluateElement | Evaluate reference valued PML1 Expression against this Element. Example of such an expression is (BOX 2 OF /MyEquip ). This method throws an exception if expression can not be evaluated. |
| EvaluateString | Evaluate text valued PML1 Expression against this Element. Example of such an expression is (DESC + 'Sometext') This method throws an exception if expression can not be evaluated. |
| ExecuteAllRules | Execute all Rules on this Element. This method throws an exception if rules cannot be executed. |
| ExecuteRule | Execute the Rule, attached to the given Attribute, on this Element. This method throws an exception if rules cannot be executed. |
| ExistRule | Queries whether a Rule is attached to the given Attribute on this Element. |
| FirstMember | Overloaded. Navigate to first child Element that has given type. |
| GetActualType | Get the actual type of this Element. Where this is a User-Defined Element Type, that is returned. |
| GetAsString | Overloaded. As for standard GetAsString() but allowing for an string qulaifier. |
| GetAsStringArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetAttribute | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetAttributeArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetAttributes | Get all the Attributes on this Element. |
| GetAttributesWithRules | Get all Attributes on this Element that have Rules. |
| GetBool | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetBoolArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetDate | Get Date-Time Attribute value on Element. This method throws an exception if attribute is invalid. |
| GetDateTime | Get Date-Time Attribute value on Element. This method throws an exception if attribute is invalid. |
| GetDirection | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetDouble | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetDoubleArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetElement | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetElementArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetElementType | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetElementTypeArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetExpression | Get Expression instance given by Attribute on Element. This method throws an exception if attribute is invalid. |
| GetHashCode | Get the hash code for this Element, overriding Object.GetHashCode. |
| GetInteger | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetIntegerArray | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetOrientation | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetParameterList | Get ParameterList Attribute value on Element. This method throws an exception if attribute is invalid. |
| GetPosition | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetRule | Get Rule instance for Attribute on Element. This method throws an exception if no rule exists. |
| GetString | Overloaded. Deprecated- do not use. Use method with DbQualifier instead. |
| GetType (inherited from Object) | Gets the Type of the current instance. |
| GetValidAsString | Get Attribute value on Element as text. This method works for all attributes that are valid ion this element The string returned will be correctly formated for output taking into account the current units. e.g. if in imperial units a position might be output as 'W 39'4.7/16 N 59'0.85/128 U 4'0.31/128'. |
| GetValidBool | Get Boolean Attribute value on Element, if available. |
| GetValidDouble | Get floating-point Attribute value on Element, if available. |
| GetValidInteger | Get integer Attribute value on Element, if available. |
| GetValidString | Get text value Attribute on Element, if available. |
| InsertAfter | Insert Element after the given reference Element. This method throws an exception if insertion fails. |
| InsertAfterLast | Insert Element after the last child of the given parent Element. This method throws an exception if insertion fails. |
| InsertBefore | Insert Element before the given reference Element. This method throws an exception if insertion fails. |
| InsertBeforeFirst | Insert Element before the first child of the given parent Element. This method throws an exception if insertion fails. |
| InsertIntoSecondaryListAfter | Insert Element into secondary list, after the given reference Element. This method throws an exception if insertion fails. |
| InsertIntoSecondaryListAfterLast | Insert Element into secondary list, after the last child of the given parent Element. This method throws an exception if insertion fails. |
| InsertIntoSecondaryListBefore | Insert Element into secondary list, before the given reference Element. This method throws an exception if insertion fails. |
| InsertIntoSecondaryListBeforeFirst | Insert Element into secondary list, before the first child of the given parent Element. This method throws an exception if insertion fails. |
| IsAttributeSetable | Queries whether the named Attribute on this Element can be set. |
| IsAttributeValid | Queries whether the named Attribute value on this Element is valid. |
| IsCopyable | Queries whether the Attributes of another Element can be copied into this Element. |
| IsCreatable | Queries whether a child Element of a given type can be created |
| IsDescendant | Queries whether this Element is a descendant of the given Element. |
| IsInsertable | Queries whether this Element can be inserted as child to the given Element. |
| LastMember | Returns the last child Element of this Element. If none, returns a null DbElement. |
| Member | Returns the numbered child Element of this Element. If none, returns a null DbElement. |
| Members | Overloaded. Returns all child Elements of this Element that have Element Type. |
| Next | Overloaded. Returns the next Element in order that has the given Element Type, from this Element. If none, returns a null DbElement. |
| PassObjectToCPP | Pass object through to unmanaged C++. |
| PropagateRules | Re-evaluate all rule-dependent attributes, following change to Attribute on this Element |
| RefNo | Reference number pair for this Element |
| Release | Release claim on this Element. Method throws an exception if not allowed. |
| ReleaseHierarchy | Release claim on this Element and all its descendants. Method throws an exception if not allowed. The method will always release what it can. |
| RemoveFromSecondaryList | Remove this Element from the secondary list of another Element Method throws an exception if not allowed. |
| SetAttribute | Overloaded. Set Attribute on Element as a ParameterList. Method throws an exception if not allowed. |
| SetAttributeDefault | Reset Attribute on Element to its default value. Method throws an exception if not allowed. |
| SetRule | Attach the Rule to the given Attribute of this Element. Method throws an exception if not allowed. |
| ToString | Get textual representation of this Element. |
| VerifyRule | Verify that the value and the Rule attached to an Attribute of this Element, are consistent. |
See Also
DbElement Class | Aveva.Pdms.Database Namespace