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

# TCollection.AtDelete

Delete item at certain position.

## Declaration

Source position: objects.pp line 425

`procedure TCollection.AtDelete(`
`Index: Sw_Integer`
`);`

## Description

AtDelete deletes the pointer at position Index in the collection. It doesn't call the object's destructor.

## Errors

If Index isn't valid then Error is called with CoIndexError.

## See also

TCollection.Delete |  | Delete an item from the collection, but does not destroy it.

## Example

    Program ex33;

    { Program to demonstrate the TCollection.AtDelete 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 AtDelete(Count-1);
      Writeln ('Freed all objects.');
      Dispose(C,Done);
    end.

Documentation generated on: May 14 2021