在最上面放一个LABEL,拉宽到FORM宽度。这是模仿拖住移动。系统菜单可以自己GetSystemMenu模拟。
public
procedure CreateParams (var Params: TCreateParams); override;
procedure HitTest (var Msg: TWmNcHitTest);
message wm_NcHitTest;
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.CreateParams (var Params: TCreateParams);
begin
inherited CreateParams (Params);
Params.Style := (Params.Style or ws_Popup) and
not ws_Caption;
end;
procedure TForm1.HitTest(var Msg: TWmNcHitTest);
begin
inherited;
if (Msg.Result = htClient) and (Msg.YPos <
Label1.Height + Top + GetSystemMetrics (sm_cyFrame)) then
Msg.Result := htCaption;
end;