TcxCustomDataController Events

The base class for all data controllers that manage data from different sources.

Name	Description
OnAfterCancel	Occurs after canceling the modifications to the active record if working in unbound or provider mode.
OnAfterDelete	Allows you to perform specific actions after the data controller deletes a record.
OnAfterInsert	Occurs after inserting a new record if working in unbound or provider mode.
OnAfterPost	Occurs after saving changes made to a record if working in unbound or provider mode.
OnBeforeCancel	Occurs before canceling modifications to the active record if working in unbound or provider mode.
OnBeforeDelete	Allows you to perform specific actions when the data controller is about to delete a record.
OnBeforeImmediatePost
OnBeforeInsert	Occurs before inserting a new record if working in unbound or provider mode.
OnBeforePost	Occurs before saving changes made to the modified record if working in unbound or provider mode.
OnCanSelectRecord protected
OnCompare	Allows you to implement a custom sorting algorithm.
OnDataChanged	Occurs on changing data provided by the data controller.
OnDetailCollapsed	Occurs after the details of a particular master record have been collapsed.
OnDetailCollapsing	Occurs when the details of a particular master record are about to be collapsed.
OnDetailExpanded	Occurs after the details of a particular master record have been expanded.
OnDetailExpanding	Occurs when the details of a particular master record are about to be expanded.
OnFilterRecord	Allows you to implement a custom data filtering algorithm.
OnFindCriteriaBeforeChange	Enables you to identify and track changes made to the data search criteria before they take effect on the data controller.
OnFindCriteriaChanged	Enables you to identify and track all data search criteria changes applied to the data controller.
OnGroupingChanged	Occurs after data grouping is changed.
OnNewRecord	Allows you to perform actions when the data controller is about to focus a new inserted record.
OnRecordChanged	Fires in response to data changes.
OnSortingChanged	Allows you to respond to sorting changes.
OnUpdateControl