Vcl.DBGrids.TGridDataLink Methods

From RAD Studio API Documentation
Jump to: navigation, search


InheritedProtected
ActiveChangedprotectedInforms the TCustomDBGrid of changes in the Active property.
AddMappingpublicAdds a field component to the end of the field map.
AfterConstructionpublicResponds after the last constructor has executed.
AssignpublicCopies the contents of another similar object.
AssignToprotectedCopies the properties of an object to a destination object.
BeforeDestructionpublicResponds before the first destructor executes.
BuildAggMapprotectedReserved for future use.
CheckBrowseModeprotectedAllows the data-aware object to respond just before an event that changes the dataset state.
CheckDisposedprotected
ClassInfopublicReturns a pointer to the run-time type information (RTTI) table for the object type.
ClassNamepublicReturns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIspublicDetermines whether an object is of a specific type.
ClassParentpublicReturns the type of the immediate ancestor of a class.
ClassTypepublicReturns the class reference for the object's class.
CleanupInstancepublicPerforms finalization on long strings, variants, and interface variables within a class.
ClearMappingpublicEmpties the field map and frees any associated memory.
CreatepublicCreates an instance of TGridDataLink.
DataEventprotectedResponds to various events that occur while working with data.
DataSetChangedprotectedInforms TCustomDBGrid of changes to the dataset.
DataSetScrolledprotectedInforms the TCustomDBGrid when the dataset has finished scrolling.
DefaultHandlerpublicProvides the interface for a method that processes message records.
DefinePropertiesprotectedProvides an interface for a method that reads and writes otherwise unpublished data.
DestroypublicDestroys an instance of TGridDataLink.
DispatchpublicCalls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOfpublicDisposeOf forces the execution of the destructor code in an object.
EditpublicAttempts to drive the data source into an editing state if it is not already in one.
EditingChangedprotectedInforms the TCustomDBGrid of changes in the editing state of the dataset.
EqualspublicChecks whether the current instance and the Obj parameter are equal.
ExecuteActionpublicInvokes an action with the datasource as its target.
FieldAddresspublicReturns the address of a published object field.
FocusControlprotectedDisplays the editor and gives focus to a field control in the TCustomDBGrid object.
FreepublicDestroys an object and frees its associated memory, if necessary.
FreeInstancepublicDeallocates memory allocated by a previous call to the NewInstance method.
GetActiveRecordprotected
GetBOFprotected
GetBufferCountprotected
GetDisposedprotectedGetter for the Disposed property.
GetEOFprotected
GetHashCodepublicReturns an integer containing the hash code.
GetInterfacepublicRetrieves a specified interface.
GetInterfaceEntrypublicReturns the entry for a specific interface implemented in a class.
GetInterfaceTablepublicReturns a pointer to a structure containing all of the interfaces implemented by a given class.
GetMappedIndexprotectedGetMappedIndex provides the index of a field component in the dataset that corresponds to an index within the field map.
GetNamePathpublicReturns the name of the object as it appears in the Object Inspector.
GetOwnerprotectedReturns the owner of an object.
GetRecordCountprotected
InheritsFrompublicDetermines the relationship of two object types.
InitInstancepublicInitializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
InstanceSizepublicReturns the size in bytes of each instance of the object type.
IsAggRowprotectedReserved for future use.
LayoutChangedprotectedInforms the grid after the layout of the TCustomDBGrid has changed in a way that affects the representation of the dataset.
MethodAddresspublicReturns the address of a class method by name.
MethodNamepublicReturns the name of a class method by address.
ModifiedpublicTracks changes to the data which have not been written to the current record in the database.
MoveByprotectedRepositions the dataset to another record relative to its active record.
NewInstancepublicAllocates memory for an instance of an object type and returns a pointer to that new instance.
QualifiedClassNamepublicReturns the qualified name of the class.
RecordChangedprotectedInforms the grid of changes in the current record or field of the DataSource.
ResetpublicCancels any pending edits to the dataset that have not been written to the current record in the database.
SafeCallExceptionpublicHandles exceptions in methods declared using the safecall calling convention.
SetActiveRecordprotected
SetBufferCountprotected
ToStringpublicReturns a string containing the class name.
UnitNamepublicReturns the name of the unit where the class is defined.
UnitScopepublicReturns the class's unit scope.
UpdateActionpublicUpdates an action to reflect the current state of the TDataLink.
UpdateDataprotectedAllows the grid to post changes to the dataset.
UpdateRecordpublicResponds to notifications that edits should be posted to the dataset.