DB.TFieldDefs Members

Delphi Information

Inherited from: TDefCollection

property Updated public	Indicates whether the definition objects in the Items array match the corresponding instantiated objects in the dataset.
property DataSet public	Indicates the dataset that uses the TDefCollection object to manage its definition objects.
method IndexOf public	Finds the index number of a definition in the Items array from its name.
method GetItemNames public	Fills a TStrings object with the names of all definitions in the list.
method Find public	Locates a definition object in the Items array from its name.
event OnUpdate protected
method UpdateDefs protected
method DoUpdate protected

Inherited from: TCollection

property Items public	Lists the items in the collection.
property ItemClass public	Indicates the class to which the collection's items belong.
property Count public	Returns the number of items in the collection.
property Capacity public	Provides access to the internal TList Capacity property.
method Insert public	Creates a new TCollectionItem instance and adds it to the Items array.
method GetEnumerator public	Returns a TCollection enumerator.
method FindItemID public	Returns the item with the specified ID.
method EndUpdate public	Re-enables screen repainting.
method Delete public	Deletes a single item from the collection.
method Clear public	Deletes all items from the collection.
method BeginUpdate public	Suspends screen repainting.
method Add public	Creates a new TCollectionItem instance and adds it to the Items array.
method Owner public	Returns the Owner of the collection.
property UpdateCount protected	Counts the number of times BeginUpdate was called without a corresponding call to EndUpdate.
property PropName protected	Specifies the name of the property that the collection implements.
method Update protected	Updates the collection to reflect changes to its items.
method SetItemName protected	Initializes the name of a newly inserted collection item.
method SetItem protected	Copies the properties of another item to a specified item in the collection.
method GetItem protected	Returns a specified item in the collection.
method Changed protected	Responds when the collection or any of its items changes.
method GetItemAttr protected	Returns the value of a custom attribute assigned to one of the collection's items.
method GetAttr protected	Returns the name of a custom attribute that can be retrieved using the GetItemAttr method.
method GetAttrCount protected	Returns the number of custom attributes associated with items in the collection.
method Notify protected	Responds when items are added to or removed from the collection.
property NextID protected	Specifies a unique ID that can be assigned to the next added collection item.
method Deleting protected	Responds when items are deleted from the collection.
method Added protected	Responds when items are added to the collection.

Inherited from: TPersistent

method GetNamePath public	Returns the name of the object as it appears in the Object Inspector.
method Assign public	Copies the contents of another, similar object.
method GetOwner protected	Returns the owner of an object.
method DefineProperties protected	Provides an interface for a method that reads and writes otherwise unpublished data.
method AssignTo protected	Copies the properties of an object to a destination object.

Inherited from: TObject

method Destroy public	Disposes of an object instance.
method FreeInstance public	Deallocates memory allocated by a previous call to the NewInstance method.
method NewInstance public	Allocates memory for an instance of an object type and returns a pointer to that new instance.
method DefaultHandler public	Provides the interface for a method that processes message records.
method Dispatch public	Calls message-handling methods for the object, based on the contents of the Message parameter.
method BeforeDestruction public	Responds before the first destructor executes.
method AfterConstruction public	Responds after the last constructor has executed.
method SafeCallException public	Handles exceptions in methods declared using the safecall calling convention.
method ToString public	Returns a string containing the class name.
method GetHashCode public	Returns an integer containing the hash code.
method Equals public	Checks whether the current instance and the parameter are equal.
method UnitName public	Returns a string containing the unit name.
method GetInterfaceTable public	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
method GetInterfaceEntry public	Returns the entry for a specific interface implemented in a class.
method GetInterface public	Retrieves a specified interface.
method FieldAddress public	Returns the address of a published object field.
method MethodName public	Returns the name of a class method by address.
method MethodAddress public	Returns the address of a class method by name.
method InheritsFrom public	Determines the relationship of two object types.
method InstanceSize public	Returns the size in bytes of each instance of the object type.
method ClassInfo public	Returns a pointer to the runtime type information (RTTI) table for the object type.
method ClassParent public	Returns the type of the immediate ancestor of a class.
method ClassNameIs public	Determines whether an object is of a specific type.
method ClassName public	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
method ClassType public	Returns the class reference for the object's class.
method CleanupInstance public	Performs finalization on long strings, variants, and interface variables within a class.
method InitInstance public	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
method Free public	Destroys an object and frees its associated memory, if necessary.
method Create public	Constructs an object and initializes its data before the object is first used.

Unit: DB

Member Of: TFieldDefs

C++ Information

Inherited from: TDefCollection

method ~TDefCollection public	Db.TDefCollection.~TDefCollection
property Updated public	Db.TDefCollection.Updated
property DataSet public	Db.TDefCollection.DataSet
method IndexOf public	Db.TDefCollection.IndexOf
method GetItemNames public	Db.TDefCollection.GetItemNames
method Find public	Db.TDefCollection.Find
method TDefCollection public	Db.TDefCollection.TDefCollection
event OnUpdate protected	Db.TDefCollection.OnUpdate
method UpdateDefs protected	Db.TDefCollection.UpdateDefs
method DoUpdate protected	Db.TDefCollection.DoUpdate

Inherited from: TOwnedCollection

method ~TOwnedCollection public	Classes.TOwnedCollection.~TOwnedCollection
method TOwnedCollection public	Classes.TOwnedCollection.TOwnedCollection

Inherited from: TCollection

property Items public	Lists the items in the collection.
property ItemClass public	Indicates the class to which the collection's items belong.
property Count public	Returns the number of items in the collection.
property Capacity public	Provides access to the internal TList Capacity property.
method Insert public	Creates a new TCollectionItem instance and adds it to the Items array.
method GetEnumerator public	Returns a TCollection enumerator.
method FindItemID public	Returns the item with the specified ID.
method EndUpdate public	Re-enables screen repainting.
method Delete public	Deletes a single item from the collection.
method Clear public	Deletes all items from the collection.
method BeginUpdate public	Suspends screen repainting.
method Add public	Creates a new TCollectionItem instance and adds it to the Items array.
method Owner public	Returns the Owner of the collection.
method ~TCollection public	Classes.TCollection.~TCollection
method TCollection public	Classes.TCollection.TCollection
property UpdateCount protected	Counts the number of times BeginUpdate was called without a corresponding call to EndUpdate.
property PropName protected	Specifies the name of the property that the collection implements.
method Update protected	Updates the collection to reflect changes to its items.
method SetItemName protected	Initializes the name of a newly inserted collection item.
method SetItem protected	Copies the properties of another item to a specified item in the collection.
method GetItem protected	Returns a specified item in the collection.
method Changed protected	Responds when the collection or any of its items changes.
method GetItemAttr protected	Returns the value of a custom attribute assigned to one of the collection's items.
method GetAttr protected	Returns the name of a custom attribute that can be retrieved using the GetItemAttr method.
method GetAttrCount protected	Returns the number of custom attributes associated with items in the collection.
method Notify protected	Responds when items are added to or removed from the collection.
property NextID protected	Specifies a unique ID that can be assigned to the next added collection item.
method Deleting protected	Responds when items are deleted from the collection.
method Added protected	Responds when items are added to the collection.

Inherited from: TPersistent

method TPersistent public	Classes.TPersistent.TPersistent
method GetNamePath public	Returns the name of the object as it appears in the Object Inspector.
method Assign public	Copies the contents of another, similar object.
method ~TPersistent public	Classes.TPersistent.~TPersistent
method GetOwner protected	Returns the owner of an object.
method DefineProperties protected	Provides an interface for a method that reads and writes otherwise unpublished data.
method AssignTo protected	Copies the properties of an object to a destination object.

Inherited from: TObject

method ~TObject public	System.TObject.~TObject
method FreeInstance public	Deallocates memory allocated by a previous call to the NewInstance method.
method NewInstance protected	Allocates memory for an instance of an object type and returns a pointer to that new instance.
method DefaultHandler public	Provides the interface for a method that processes message records.
method Dispatch public	Calls message-handling methods for the object, based on the contents of the Message parameter.
method BeforeDestruction public	Responds before the first destructor executes.
method AfterConstruction public	Responds after the last constructor has executed.
method SafeCallException public	Handles exceptions in methods declared using the safecall calling convention.
method ToString public	Returns a string containing the class name.
method GetHashCode public	Returns an integer containing the hash code.
method Equals public	Checks whether the current instance and the parameter are equal.
method GetInterfaceTable public	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
method GetInterfaceEntry public	Returns the entry for a specific interface implemented in a class.
method GetInterface public	Retrieves a specified interface.
method UnitName public	Returns a string containing the unit name.
method MethodName public	Returns the name of a class method by address.
method MethodAddress public	Returns the address of a class method by name.
method InheritsFrom public	Determines the relationship of two object types.
method InstanceSize public	Returns the size in bytes of each instance of the object type.
method ClassInfo public	Returns a pointer to the runtime type information (RTTI) table for the object type.
method ClassParent public	Returns the type of the immediate ancestor of a class.
method ClassNameIs public	Determines whether an object is of a specific type.
method ClassName public	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
method InitInstance public	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
method FieldAddress public	Returns the address of a published object field.
method CleanupInstance public	Performs finalization on long strings, variants, and interface variables within a class.
method ClassType public	Returns the class reference for the object's class.
method Free public	Destroys an object and frees its associated memory, if necessary.
method TObject public	System.TObject.TObject

Unit: DB

Member Of: TFieldDefs

Description

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