Ezmind

클립보드에 있는 이미지 찍기 

uses clipbrd;

procedure drawFromClip;
begin
  with ClipBoard do
  begin
    if HasFormat(CF_BITMAP) then
    begin
      Image1.Picture.Bitmap.Assign(ClipBoard)
    end
    else if HasFormat(CF_PICTURE) then Image1.Picture.Assign(ClipBoard)
    else if HasFormat(CF_METAFILEPICT) then Image1.Picture.Metafile.Assign(ClipBoard);
  end;
end;

 

unit Unit1;

interface

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

type

  TForm1 = class(TForm)
    Memo1: TMemo;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
    procedure WMDrawClipboard(var Msg: TMessage) ; message WM_DRAWCLIPBOARD;
    procedure WMChangeCBChain(var Msg: TMessage) ; message WM_CHANGECBCHAIN;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  NextInChain : THandle;
implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  NextInChain := SetClipboardViewer(Handle) ;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
  ChangeClipboardChain(Handle, NextInChain) ;
end;

// 클립보드 내용이 바뀌면 발생하는 메세지
procedure TForm1.WMDrawClipboard(var Msg:TMessage) ;
begin
 if Clipboard.HasFormat(cf_text) then
 begin
  Memo1.Lines.Clear;
  Memo1.PasteFromClipboard;
 end
 else
 begin
  //do something with other clipboard formats
 end;
 //pass the message on to the next window
 if NextInChain <> 0 then
  SendMessage(NextInChain, WM_DrawClipboard, 0, 0)
end;

// 다른 클립보드 뷰어가 바뀐상황을 체크하고 다음 체인에게도 알려준다
procedure TForm1.WMChangeCBChain(var Msg: TMessage) ;
var
  Remove, Next: THandle;
begin
  Remove := Msg.WParam;
  Next := Msg.LParam;
 with Msg do
  if NextInChain = Remove then
   NextInChain := Next
  else if NextInChain <> 0 then
   SendMessage(NextInChain, WM_ChangeCBChain, Remove, Next)
end;

end. 




클립보드 내용 바뀐거 체크

unit Unit1;

interface

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

type

  TForm1 = class(TForm)
    Memo1: TMemo;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
    procedure WMDrawClipboard(var Msg: TMessage) ; message WM_DRAWCLIPBOARD;
    procedure WMChangeCBChain(var Msg: TMessage) ; message WM_CHANGECBCHAIN;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  NextInChain : THandle;
implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  NextInChain := SetClipboardViewer(Handle) ;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
  ChangeClipboardChain(Handle, NextInChain) ;
end;

// 클립보드 내용이 바뀌면 발생하는 메세지
procedure TForm1.WMDrawClipboard(var Msg:TMessage) ;
begin
 if Clipboard.HasFormat(cf_text) then
 begin
  Memo1.Lines.Clear;
  Memo1.PasteFromClipboard;
 end
 else
 begin
  //do something with other clipboard formats
 end;
 //pass the message on to the next window
 if NextInChain <> 0 then
  SendMessage(NextInChain, WM_DrawClipboard, 0, 0)
end;

// 다른 클립보드 뷰어가 바뀐상황을 체크하고 다음 체인에게도 알려준다
procedure TForm1.WMChangeCBChain(var Msg: TMessage) ;
var
  Remove, Next: THandle;
begin
  Remove := Msg.WParam;
  Next := Msg.LParam;
 with Msg do
  if NextInChain = Remove then
   NextInChain := Next
  else if NextInChain <> 0 then
   SendMessage(NextInChain, WM_ChangeCBChain, Remove, Next)
end;

end.