dockpf.pas

Delphi7从入门到精通及附书源码 Delphi7从入门到精通及附书源码

unit DockPF;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ComCtrls, ExtCtrls, StdCtrls;

type
  TForm1 = class(TForm)
    Splitter1: TSplitter;
    Memo1: TMemo;
    Panel1: TPanel;
    ListBox1: TListBox;
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    procedure Panel1MouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel1DockOver(Sender: TObject; Source: TDragDockObject; X,
      Y: Integer; State: TDragState; var Accept: Boolean);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Panel1MouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  PageControl1.BeginDrag (False, 10);
end;

procedure TForm1.Panel1DockOver(Sender: TObject; Source: TDragDockObject;
  X, Y: Integer; State: TDragState; var Accept: Boolean);
begin
  Accept := Source.Control is TPageControl;
end;

end.