unit Child;

// Have you noticed that when you try to close a MDIChild form
// the form minimizes but doesn't disappear from your Main form
// client area?
//
// With this tip you can learn how to really close the MDI child
// form and free the memory occupied by the form


interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;

type
  TMDIChildForm = class(TForm)
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  MDIChildForm: TMDIChildForm;

implementation

{$R *.DFM}

procedure TMDIChildForm.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  // This line of code frees memory and closes the form
  Action := caFree;
end;

end.