private
{ Private declarations }
procedure WMUser(var msg: TMessage); message WM_USER+1;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
const
FCIDM_SHVIEW_LARGEICON = 28713;
FCIDM_SHVIEW_SMALLICON = 28714;
FCIDM_SHVIEW_LIST = 28715;
FCIDM_SHVIEW_REPORT = 28716;
FCIDM_SHVIEW_THUMBNAIL = 28717; // XP only
FCIDM_SHVIEW_TILE = 28718; // XP
procedure TForm1.WMUser(var msg: TMessage);
var
Dlg: HWND;
Ctrl: HWND;
begin
Dlg := msg.WParam;
Ctrl := FindWindowEx(Dlg, 0, PChar('SHELLDLL_DefView'), nil);
if Ctrl <> 0 then
begin
SendMessage(Ctrl, WM_COMMAND, FCIDM_SHVIEW_THUMBNAIL, 0 )
end;
end;
procedure TForm1.OpenDialog1Show(Sender: TObject);
var
Dlg: HWND;
begin
Dlg := GetParent((Sender as TOpenDialog).Handle);
PostMessage(Handle, WM_USER+1, Dlg, 0);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if OpenDialog1.Execute then
begin
end;
end;