Public
procedure Createparams(Var Params:TCreateParams);override;
...
procedure TFormDrop.Createparams(var Params:TCreateParams);
begin
Inherited CreateParams(Params);
With Paramsdo
begin
EXStyle:=ExStyle or WS_EX_TOPMOST OR WS_EX_ACCEPTFILES or WS_DLGFRAME
wndParnet:=GetDesktopWindow;
end;
end;