TMasterDataLink Members

The following tables list the members exposed by TMasterDataLink.

	Name	Description
	ActiveChanged	Regenerates the Fields property and triggers an OnMasterChange or OnMasterDisable event.
	AssignTo	Copies the properties of an object to a destination object.
	CheckBrowseMode	Informs the dataset that owns the TMasterDataLink object when the current record in the source dataset is about to change.
	DataEvent	Responds to various events that occur while working with data.
	DataSetChanged	Responds to changes in the dataset.
	DataSetScrolled	Allows a response to scrolling the representation of the dataset within the data-aware object.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.
	EditingChanged	Responds to changes in the editing state of the data source.
	FocusControl	Provides the interface for a method to force focus to the data-aware component associated with the TDataLink.
	GetActiveRecord	This is GetActiveRecord, a member of class TDataLink.
	GetBOF	This is GetBOF, a member of class TDataLink.
	GetBufferCount	This is GetBufferCount, a member of class TDataLink.
	GetDetailDataSet	Returns the value of the DetailDataSet property.
	GetEOF	This is GetEOF, a member of class TDataLink.
	GetOwner	Returns the owner of an object.
	GetRecordCount	This is GetRecordCount, a member of class TDataLink.
	LayoutChanged	Informs the dataset that owns the TMasterDataLink object after the data source has changed the number of records buffered.
	MoveBy	Repositions the dataset to another record relative to its active record.
	RecordChanged	Generates an OnMasterChange event when the contents of one of the fields in the current record changes.
	SetActiveRecord	This is SetActiveRecord, a member of class TDataLink.
	SetBufferCount	This is SetBufferCount, a member of class TDataLink.
	UpdateData	Provides an interface for writing edits to a record in the dataset.

Protected Properties

	Name	Description
	VisualControl	Indicates whether a visual control uses the datalink.

Public Events

	Name	Description
	OnMasterChange	Occurs after the Fields property changes.
	OnMasterDisable	Occurs when the source dataset becomes inactive.

Public Methods

	Name	Description
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies the contents of another, similar object.
	BeforeDestruction	Responds before the first destructor executes.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	Create	Creates an instance of TMasterDataLink.
	DefaultHandler	Provides the interface for a method that processes message records.
	Destroy	Destroys an instance of TMasterDataLink.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	Edit	Attempts to drive the data source into an editing state if it is not already in one.
	Equals	Checks if the current instance and the parameter are equal.
	ExecuteAction	Invokes an action with the datasource as its target.
	FieldAddress	This is the overview for the FieldAddress method overload.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	GetHashCode	Returns an integer containing the hash code.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	InheritsFrom	Determines the relationship of two object types.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	MethodAddress	This is the overview for the MethodAddress method overload.
	MethodName	Returns the name of a class method by address.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	ToString	Returns a string containing the class name.
	UnitName	Returns a string containing the unit name.
	UpdateAction	Updates an action to reflect the current state of the TDataLink.
	UpdateRecord	Responds to notifications that edits should be posted to the dataset.

Public Properties

	Name	Description
	Active	Specifies whether the dataset that TDataLink manages is active.
	ActiveRecord	Specifies the index of the current record within the internal record buffer maintained by the dataset for the Owner of the TDataLink object.
	BOF	Indicates whether the first record in a dataset is active.
	BufferCount	Specifies the number of records cached by the dataset for the Owner of the TDataLink object.
	DataSet	Specifies the TDataSet object that represents the data that this TDataLink is tracking.
	DataSource	Specifies the TDataSource object that the Owner of the TDataLink uses to connect to the dataset.
	DataSourceFixed	Indicates whether the DataSource property can be set.
	DetailDataSet	Indicates the detail dataset in the master/detail relationship.
	Editing	Indicates whether the DataSource is in edit mode.
	Eof	Indicates whether the last record in a dataset is active.
	FieldNames	Names the fields from the master dataset that are used to define the link to the detail dataset.
	Fields	Lists all the field components from the master dataset that are used to establish a link to the detail dataset.
	ReadOnly	Indicates whether the dataset for this TDataLink can be modified.
	RecordCount	Indicates the number of records in the internal record buffer maintained by the dataset.

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