[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Manage a collection of pointers of objects.
Source position: objects.pp line 444
type TCollection = object(TObject) |
||
|
Pointer to list of items. |
|
|
Current count of items. |
|
|
Max number of items. |
|
|
Number of pointers to allocate when adding items. |
|
constructor Init(); |
|
Instantiate a new collection. |
constructor Load(); |
|
Initialize a new collection and load collection from a stream. |
destructor Done; virtual; |
|
Clean up collection, release all memory. |
function At(); |
|
Return the item at a certain index. |
function IndexOf(); virtual; |
|
Find the position of a certain item. |
function GetItem(); virtual; |
|
Read one item off the stream. |
function LastThat(); |
|
Return last item which matches a test. |
function FirstThat(); |
|
Return first item which matches a test. |
procedure Pack; |
|
Remove all >Nil pointers from the collection. |
procedure FreeAll; |
|
Release all objects from the collection. |
procedure DeleteAll; |
|
Delete all elements from the collection. Objects are not destroyed. |
procedure Free(); |
|
Free item from collection, calling it's destructor. |
procedure Insert(); virtual; |
|
Insert a new item in the collection at the end. |
procedure Delete(); |
|
Delete an item from the collection, but does not destroy it. |
procedure AtFree(); |
|
Free an item at the indicates position, calling it's destructor. |
procedure FreeItem(); virtual; |
|
Destroy a non-nil item. |
procedure AtDelete(); |
|
Delete item at certain position. |
procedure ForEach(); |
|
Execute procedure for each item in the list. |
procedure SetLimit(); virtual; |
|
Set maximum number of elements in the collection. |
procedure Error(); virtual; |
|
Set error code. |
procedure AtPut(); |
|
Set collection item, overwriting an existing value. |
procedure AtInsert(); |
|
Insert an element at a certain position in the collection. |
procedure Store(); |
|
Write collection to a stream. |
procedure PutItem(); virtual; |
|
Put one item on the stream. |
end; |
|
Manage a collection of pointers of objects. |
|
| | ||
|
Basis of all objects. |
|
| | ||
|
Base class of all classes. |
The TCollection object manages a collection of pointers or objects. It also provides a series of methods to manipulate these pointers or objects.
Whether or not objects are used depends on the kind of calls you use. All kinds come in 2 flavors, one for objects, one for pointers.