Declaration

TnxCompKeyDescriptor = class(TnxBaseKeyDescriptor)

 
Description

The Compound Key descriptor uses a number of Key Field descriptor to create the keys.

 
Methods

Add

This function adds a new descriptor to the list of processed Key Field Descriptors.

CheckValid

This method is called to check the validity of the item. If a descendant needs to validate settings, this method should be overridden and on error raise a an exception.

Clear

Clears the list of Key Field Descriptors.

Delete

This function deletes a descriptor from the list of processed Key Field Descriptors.

Destroy

public comes before protected to fix problem with BCB destructor.

IsEqual

The IsEqual function should return true if the given aDictionaryItem is of the same type and has *exactly* the same settings. Should be overridden by all descendants.

LoadFromReader

The text for this method has been generated automatically. This means that it is not documented.

SaveToWriter

The text for this method has been generated automatically. This means that it is not documented.

 
Properties

KeyFieldCount

This property returns the number of items in the Key Field descriptor List.

KeyFields

This property return the Key Field descriptor with the given index out of the Key Field Descriptor list.

 
File

 
nxsdDataDictionary

Home | Site Contents | Documentation | NexusDB Manual V4 | Class Reference | Symbol Reference | Classes