unit1.~pas

罗小平<<delphi精要>>一书源码

unit Unit1;

interface

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

type

  TDataRecord = packed record
    Name,
    Sex,
    Hobby: String[10];
  end;
  
  TForm1 = class(TForm)
    Button1: TButton;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    Label3: TLabel;
    Edit3: TEdit;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  CF_CUSTOMFORMAT: Word;
const
  CF_CUSTOMFORMATNAME = 'CF_CUSTOMFORMAT';

implementation

uses Clipbrd;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  DataRec: TDataRecord;
  Data: THandle;
  PData: Pointer;
begin
  with DataRec do
  begin
    Name := Edit1.Text;
    Sex := Edit2.Text;;
    Hobby := Edit3.Text;
  end;
  Data := GlobalAlloc(GMEM_MOVEABLE, SizeOf(TDataRecord));
  PData := GlobalLock(Data);     
  Move(DataRec, PData^, SizeOf(TDataRecord));

  Clipboard.SetAsHandle(CF_CUSTOMFORMAT, Data);  

  GlobalUnlock(Data);
  //GlobalFree(Data);
end;

procedure TForm1.Button2Click(Sender: TObject);
var
  DataRec: TDataRecord;
  Data: THandle;
  PData: Pointer;
begin
  Data := Clipboard.GetAsHandle(CF_CUSTOMFORMAT);
  if Data = 0 then Exit;
  PData := GlobalLock(Data);
  Move(PData^, DataRec, GlobalSize(Data));
  GlobalUnlock(Data);
  with DataRec do
    ShowMessage(Name + #13#10 + Sex + #13#10 + Hobby);
end;

initialization
  CF_CUSTOMFORMAT := RegisterClipboardFormat(CF_CUSTOMFORMATNAME);

end.