Events for DataDictionary
View event list in hierarchical order.
| Name | Description | Defining Class |
|---|---|---|
| Attach_Main_File | Performs attach command on main file Attach_Main_File performs an attach. | BaseData_Set |
| Backout | Hook for performing operations when editing or deleting a new record The Update and Backout events are used to maintain relational balances between tables. | BaseData_Set |
| Clear_Main_File | Performs clear command on main table of this object Clear_Main_File is sent whenever the buffer for the main table of a server must be cleared. | BaseData_Set |
| Construct_Object | Object constructor. | cObject |
| Creating | Hook for performing operations required when creating a new record Creating is called as part of the save process and is called when a new record is about to be saved. | BaseData_Set |
| Define_Fields | Defines DataDictionary rules for data file fields at the class level Obsolete Prior to DataFlex version 14.1, the Define_Fields was the event that defined the rules for your data dictionary. | DataDictionary |
| Delete_Main_File | Performs the actual delete of the record The Delete_Main_File event performs the actual delete of the record. | BaseData_Set |
| Deleting | Hook for performing operations when deleting a record Deleting is called during the delete process. | BaseData_Set |
| Destroy_Object | Sent when an object is about to be destroyed The Destroy_Object event is sent to an object when it is about to be destroyed. | cObject |
| End_Construct_Object | End of object constructor. | cObject |
| Field_Defaults | Hook to specify default values for table columns that will appear after a clear (new record) operation | DataDictionary |
| New_Current_Record | Hook for performing operations during save, delete, and clear operations Obsolete This event is obsolete. | DataDictionary |
| OnConstrain | Defines constraint sets in a DataDictionary object (DDO) OnConstrain defines constraint sets in a DataDictionary object (DDO). | DataSet |
| OnNewCurrentRecord | Notification event that is sent every time the DDO's record is switched | DataDictionary |
| OnPostFind | The messages OnPreFind and OnPostFind are sent before a find and after a find, respectively | DataDictionary |
| OnPreFind | The messages OnPreFind and OnPostFind are sent before a find and after a find, respectively | DataDictionary |
| OnSaveRecord | Called any time a DD record is saved, if there is an actual change to be saved OnSaveRecord is called any time a DD record is saved. | DataDictionary |
| Relate_Main_File | Does nothing by default. | BaseData_Set |
| Reset_Filemodes_For_Lock | Temporarily resets the file modes of the Main_File of this object and of any updated DataDictionary objects for a save/delete operation | BaseData_Set |
| Save_Main_File | Saves the main file Save_Main_File saves the main file. | BaseData_Set |
| Update | Hook for performing operations when saving a record The Update and Backout events are used to maintain relational balances between tables. | BaseData_Set |
| Validate_Cascade_Delete | Validation event sent to every single child record that is about to be deleted during a cascading delete operation | BaseData_Set |
| Validate_Delete | Guards execution of delete operation The Validate_Delete function is called right before a delete will occur. | BaseData_Set |
| Validate_Delete_No_Cascade | Guards against deleting records with existing child records The Validate_Delete_No_Cascade event guards against deleting records with existing child records. | BaseData_Set |
| Validate_Save | Used to enforce business rules and integrity rules Validate_Save is used as final validation of a record before saving it. | BaseData_Set |