Title: How to keep a form always in the background
protected
procedure CreateParams(var Params: TCreateParams); override;
//...
procedure TForm.CreateParams(var Params: TCreateParams);
begin
inherited CreateParams(Params);
if Assigned(Application.MainForm) then
begin
Params.WndParent := GetDesktopWindow;
Params.Style := WS_CHILD;
end;
end;