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TDataLink Members

The following tables list the members exposed by TDataLink.

 
Name 
Description 
 
Responds to changes in the Active property. 
 
Copies the properties of an object to a destination object. 
 
Allows the data-aware object to respond just before an event that changes the dataset state. 
 
Responds to various events that occur while working with data. 
 
Responds to changes in the dataset. 
 
Allows a response to scrolling the representation of the dataset within the data-aware object. 
 
Provides an interface for a method that reads and writes otherwise unpublished data. 
 
Responds to changes in the editing state of the data source. 
 
Provides the interface for a method to force focus to the data-aware component associated with the TDataLink
 
This is GetActiveRecord, a member of class TDataLink. 
 
This is GetBOF, a member of class TDataLink. 
 
This is GetBufferCount, a member of class TDataLink. 
 
This is GetEOF, a member of class TDataLink. 
 
Returns the owner of an object. 
 
This is GetRecordCount, a member of class TDataLink. 
 
Responds to changes in the representation of the data by the data-aware object. 
 
Repositions the dataset to another record relative to its active record. 
 
Responds to changes in the contents of the current record or field of the dataset. 
 
This is SetActiveRecord, a member of class TDataLink. 
 
This is SetBufferCount, a member of class TDataLink. 
 
Provides an interface for writing edits to a record in the dataset. 
 
Name 
Description 
 
Indicates whether a visual control uses the datalink. 
 
Name 
Description 
 
Responds after the last constructor has executed. 
 
Copies the contents of another, similar object. 
 
Responds before the first destructor executes. 
 
Returns a pointer to the runtime type information (RTTI) table for the object type. 
 
Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). 
 
Determines whether an object is of a specific type. 
 
Returns the type of the immediate ancestor of a class. 
 
Returns the class reference for the object's class. 
 
Performs finalization on long strings, variants, and interface variables within a class. 
 
Creates an instance of TDataLink
 
Provides the interface for a method that processes message records. 
 
Destroys an instance of TDataLink
 
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. 
 
Checks if the current instance and the parameter are equal. 
 
Invokes an action with the datasource as its target. 
 
This is the overview for the FieldAddress method overload. 
 
Free 
Destroys an object and frees its associated memory, if necessary. 
 
Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. 
 
Returns an integer containing the hash code. 
 
Retrieves a specified interface. 
 
Returns the entry for a specific interface implemented in a class. 
 
Returns a pointer to a structure containing all of the interfaces implemented by a given class. 
 
Returns the name of the object as it appears in the Object Inspector. 
 
Determines the relationship of two object types. 
 
Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. 
 
Returns the size in bytes of each instance of the object type. 
 
This is the overview for the MethodAddress method overload. 
 
Returns the name of a class method by address. 
 
Allocates memory for an instance of an object type and returns a pointer to that new instance. 
 
Handles exceptions in methods declared using the safecall calling convention. 
 
Returns a string containing the class name. 
 
Returns a string containing the unit name. 
 
Updates an action to reflect the current state of the TDataLink
 
Responds to notifications that edits should be posted to the dataset. 
 
Name 
Description 
 
Specifies whether the dataset that TDataLink manages is active. 
 
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. 
 
Specifies the number of records cached by the dataset for the Owner of the TDataLink object. 
 
Specifies the TDataSet object that represents the data that this TDataLink is tracking. 
 
Specifies the TDataSource object that the Owner of the TDataLink uses to connect to the dataset. 
 
Indicates whether the DataSource property can be set. 
 
Indicates whether the DataSource is in edit mode. 
 
Eof 
Indicates whether the last record in a dataset is active. 
 
Indicates whether the dataset for this TDataLink can be modified. 
 
Indicates the number of records in the internal record buffer maintained by the dataset. 
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