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Free item from collection, calling it's destructor.
Source position: objects.pp line 411
procedure TCollection.Free( |
Item: Pointer |
); |
Free Deletes Item from the collection, and calls the destructor Done of the object.
If the Item is not in the collection, Error will be called with coIndexError.
|
Destroy a non-nil item. |
Program ex30; { Program to demonstrate the TCollection.Free method } Uses Objects,MyObject; { For TMyObject definition and registration } Var C : PCollection; M : PMyObject; I : Longint; begin Randomize; C:=New(PCollection,Init(120,10)); For I:=1 to 100 do begin M:=New(PMyObject,Init); M^.SetField(I-1); C^.Insert(M); end; Writeln ('Added 100 Items.'); With C^ do While Count>0 do Free(At(Count-1)); Writeln ('Freed all objects.'); Dispose(C,Done); end.
lazarus-ccr.sourceforge.net |