多窗口层次问题?

Question

主窗体调用dll里的子窗体.
点击Form1的Button后弹出了Form2,  Form2必须用SetWindowPos()置顶,但这时Form1
被置灰了(好象是失去焦点吧),怎么才能让Form1也处于激活状态.帮帮忙
mydll.dll
------------------------------------------------------------------------------
function HookProc(nCode:Integer; WParam:WPARAM;  LParam:LPARAM):LRESULT;stdcall;
begin
..............
..............
Form1:=TForm1.Create(Application);
ShowCursor(true);
SetWindowPos(Form1.Handle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE);
finally
Form1.Free;
end;
------------------------------------------------------------------------------

Answer 1

dll里的form1就是子窗体form2,为了直观我说它是form2了,这都不重要!说白了就是无法切换到dll子窗体了,子窗体总是置灰的,怎么改才能切换到它上?大家帮帮忙