[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Objects' (#rtl)

# TCollection.Free

Free item from collection, calling it's destructor.

## Declaration

Source position: objects.pp line 411

`procedure TCollection.Free(`
`Item: Pointer`
`);`

## Description

Free Deletes Item from the collection, and calls the destructor Done of the object.

## Errors

If the Item is not in the collection, Error will be called with coIndexError.

## See also

TCollection.FreeItem |  | Destroy a non-nil item.

## Example

    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.

Documentation generated on: Feb 26 2014