System.Classes.TCollection Methods

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InheritedProtected

Add	public	Creates a new TCollectionItem instance and adds it to the Items array.
Added (deprecated)	protected	Responds when items are added to the collection.
AfterConstruction	public	Responds after the last constructor has executed.
Assign	public	Copies the contents of the Source collection to the current object.
AssignTo	protected	Copies the properties of an object to a destination object.
BeforeDestruction	public	Responds before the first destructor executes.
BeginUpdate	public	Signals the start of an update operation.
Changed	protected	Responds when the collection or any of its items changes.
CheckDisposed	protected
ClassInfo	public	Returns a pointer to the run-time type information (RTTI) table for the object type.
ClassName	public	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIs	public	Determines whether an object is of a specific type.
ClassParent	public	Returns the type of the immediate ancestor of a class.
ClassType	public	Returns the class reference for the object's class.
CleanupInstance	public	Performs finalization on long strings, variants, and interface variables within a class.
Clear	public	Deletes all items from the collection.
Create	public	Creates and initializes a collection.
DefaultHandler	public	Provides the interface for a method that processes message records.
DefineProperties	protected	Provides an interface for a method that reads and writes otherwise unpublished data.
Delete	public	Deletes a single item from the collection.
Deleting (deprecated)	protected	Responds when items are deleted from the collection.
Destroy	public	Destroys the collection and each item in it.
Dispatch	public	Calls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOf	public	DisposeOf forces the execution of the destructor code in an object.
EndUpdate	public	Signals the end of an update operation.
Equals	public	Checks whether the current instance and the Obj parameter are equal.
FieldAddress	public	Returns the address of a published object field.
FindItemID	public	Returns the item with the specified ID.
Free	public	Destroys an object and frees its associated memory, if necessary.
FreeInstance	public	Deallocates memory allocated by a previous call to the NewInstance method.
GetAttr	protected	Returns the name of a custom attribute that can be retrieved using the GetItemAttr method.
GetAttrCount	protected	Returns the number of custom attributes associated with items in the collection.
GetDisposed	protected	Getter for the Disposed property.
GetEnumerator	public	Returns a TCollection enumerator.
GetHashCode	public	Returns an integer containing the hash code.
GetInterface	public	Retrieves a specified interface.
GetInterfaceEntry	public	Returns the entry for a specific interface implemented in a class.
GetInterfaceTable	public	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
GetItem	protected	Returns a specified item in the collection.
GetItemAttr	protected	Returns the value of a custom attribute assigned to one of the collection's items.
GetNamePath	public	Returns a string used by the Object Inspector.
GetOwner	protected	Returns the owner of an object.
InheritsFrom	public	Determines the relationship of two object types.
InitInstance	public	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
Insert	public	Creates a new TCollectionItem instance and adds it to the Items array.
InstanceSize	public	Returns the size in bytes of each instance of the object type.
MethodAddress	public	Returns the address of a class method by name.
MethodName	public	Returns the name of a class method by address.
NewInstance	public	Allocates memory for an instance of an object type and returns a pointer to that new instance.
Notify	protected	Responds when items are added to or removed from the collection.
Owner	public	Returns the Owner of the collection.
QualifiedClassName	public	Returns the qualified name of the class.
SafeCallException	public	Handles exceptions in methods declared using the safecall calling convention.
SetItem	protected	Copies the properties of another item to a specified item in the collection.
SetItemName	protected	Initializes the name of a newly inserted collection item.
ToString	public	Returns a string containing the class name.
UnitName	public	Returns the name of the unit where the class is defined.
UnitScope	public	Returns the class's unit scope.
Update	protected	Updates the collection to reflect changes to its items.