RAD Studio VCL Reference
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The following tables list the members exposed by TNavDataLink.
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Name |
Description |
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Informs TDBNavigator of changes in the Active property. | |
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Copies the properties of an object to a destination object. | |
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Allows the data-aware object to respond just before an event that changes the dataset state. | |
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Responds to various events that occur while working with data. | |
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Informs the TDBNavigator of changes to the dataset. | |
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Allows a response to scrolling the representation of the dataset within the data-aware object. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Informs TDBNavigator of changes to the editing state of the DataSource. | |
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Provides the interface for a method to force focus to the data-aware component associated with the TDataLink. | |
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This is GetActiveRecord, a member of class TDataLink. | |
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This is GetBOF, a member of class TDataLink. | |
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This is GetBufferCount, a member of class TDataLink. | |
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This is GetEOF, a member of class TDataLink. | |
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Returns the owner of an object. | |
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This is GetRecordCount, a member of class TDataLink. | |
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Responds to changes in the representation of the data by the data-aware object. | |
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Repositions the dataset to another record relative to its active record. | |
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Responds to changes in the contents of the current record or field of the dataset. | |
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This is SetActiveRecord, a member of class TDataLink. | |
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This is SetBufferCount, a member of class TDataLink. | |
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Provides an interface for writing edits to a record in the dataset. |
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Name |
Description |
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Indicates whether a visual control uses the datalink. |
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Name |
Description |
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Responds after the last constructor has executed. | |
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Copies the contents of another, similar object. | |
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Responds before the first destructor executes. | |
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Returns a pointer to the runtime type information (RTTI) table for the object type. | |
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Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). | |
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Determines whether an object is of a specific type. | |
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Returns the type of the immediate ancestor of a class. | |
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Returns the class reference for the object's class. | |
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Performs finalization on long strings, variants, and interface variables within a class. | |
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Creates an instance of TNavDataLink. | |
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Provides the interface for a method that processes message records. | |
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Destroys an instance of TNavDataLink. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Attempts to drive the data source into an editing state if it is not already in one. | |
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Invokes an action with the datasource as its target. | |
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Returns the address of a published object field. | |
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Destroys an object and frees its associated memory, if necessary. | |
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Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. | |
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Retrieves a specified interface. | |
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Returns the entry for a specific interface implemented in a class. | |
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Returns a pointer to a structure containing all of the interfaces implemented by a given class. | |
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Returns the name of the object as it appears in the Object Inspector. | |
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Determines the relationship of two object types. | |
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Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. | |
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Returns the size in bytes of each instance of the object type. | |
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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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Allocates memory for an instance of an object type and returns a pointer to that new instance. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Updates an action to reflect the current state of the TDataLink. | |
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Responds to notifications that edits should be posted to the dataset. |
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Name |
Description |
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Specifies whether the dataset that TDataLink manages is active. | |
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Specifies the index of the current record within the internal record buffer maintained by the dataset for the Owner of the TDataLink object. | |
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Indicates whether the first record in a dataset is active. | |
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Specifies the number of records cached by the dataset for the Owner of the TDataLink object. | |
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Specifies the TDataSource object that the Owner of the TDataLink uses to connect to the dataset. | |
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Indicates whether the DataSource property can be set. | |
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Indicates whether the DataSource is in edit mode. | |
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Indicates whether the last record in a dataset is active. | |
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Indicates whether the dataset for this TDataLink can be modified. | |
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Indicates the number of records in the internal record buffer maintained by the dataset. |
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