Ich finde keine ChildHandles beim TSaveDialog ...

[SirThornberry]

also in meinem D2005 funktionierts. Hier mal die komplette unit:

Delphi-Quellcode:

unit Unit1;

interface

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

type
  TWindowproc = function(AHandle: Cardinal; uMsg: Cardinal; AWPARAM: wParam; ALPARAM: lParam): LResult;
  TForm1 = class(TForm)
    Button1: TButton;
    SaveDialog1: TSaveDialog;
    procedure Button1Click(Sender: TObject);
    procedure SaveDialog1Show(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

var GOldProc: TWindowProc;

function NewWindowProc(AHandle: Cardinal; uMsg: Cardinal; AWPARAM: wParam; ALPARAM: lParam): LResult; Stdcall;
begin
  result := GOldProc(AHandle, uMsg, AWParam, ALParam);
end;

procedure TForm1.SaveDialog1Show(Sender: TObject);
begin
  GOldProc := TWindowProc(SetWindowLong(SaveDialog1.Handle, GWL_WNDPROC, Integer(@NewWindowProc)));
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  SaveDialog1.Execute();
end;

end.