mainf.pas

来自「delphi4从入门到精通源代码」· PAS 代码 · 共 45 行

unit MainF;

interface

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

type
  TMainForm = class(TForm)
    procedure FormClick(Sender: TObject);
  private
    { Private declarations }
    Counter: Integer;
  public
    { Public declarations }
  end;

var
  MainForm: TMainForm;

implementation

{$R *.DFM}

procedure TMainForm.FormClick(Sender: TObject);
var
  NewForm: TChildForm;
begin
  // increase the child window counter
  Inc (Counter);
  {create a new form and define it as child
  of the current form}
  NewForm:= TChildForm.Create (self);
  NewForm.Parent := self;
  // add the number to the caption, and move it slightly
  NewForm.Caption := NewForm.Caption + ' ' + IntToStr (Counter);
  NewForm.Left := (Counter * 20) mod 500;
  NewForm.Top := (Counter * 20) mod 450;
  // show the form
  NewForm.Show;
end;

end.