Delphi VCL

Development Platform:

Delphi

MWForm2.pas：Code Content

							unit MWForm2;
interface
uses
  Qt, SysUtils, Classes, QGraphics, QControls, QForms, QDialogs;
type
  TForm2 = class(TForm)
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
var
  Form2: TForm2;
implementation
{$R *.xfm}
procedure TForm2.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action := caFree;
  // important: set pointer to nil!
  Form2 := nil;
end;
end.

						