Window ZOrder 2 form

Hi, I've two form and I would place the two windows one above the other.
For example:
Form to be in foreground = FormFG
Form to be under the FormFG = FormBG
when the user click or activate by tab the FormFG or the FormBG the form must be showed with the FormFG on top and under this the FormBG.

In my sample code I solved this but the FormBG are activated and showed before the FormFG.
Procedure TfrmFormFG.WMNCActivate(Var AMsg: TWMNCActivate);
Begin
  If AMsg.Active Then Begin
    SetForegroundWindow(FormBG.Handle);
    SetForegroundWindow(Handle);
  End;
  Inherited;
End;

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ISIGestAsked:
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dudaxanCommented:
If you use the following code, you're able to get Form2 on Top of Form1 without activating the Form1:

SetWindowPos(Form2.Handle,HWND_TOPMOST,0,0,0,0, SWP_NOMOVE or SWP_NOSIZE);
SetWindowPos(Form1.Handle,GetNextWindow(HWND_TOPMOST,GW_HWNDNEXT),0,0,0,0, SWP_NOMOVE or SWP_NOSIZE);

This is how it should look like:

Procedure TfrmFormFG.WMNCActivate(Var AMsg: TWMNCActivate);
Begin
  If AMsg.Active Then Begin
SetWindowPos(Handle,HWND_TOPMOST,0,0,0,0, SWP_NOMOVE or SWP_NOSIZE);
SetWindowPos(FormBG.Handle,GetNextWindow(HWND_TOPMOST,GW_HWNDNEXT),0,0,0,0, SWP_NOMOVE or SWP_NOSIZE);
  End;
  Inherited;
End;

Hope it does help you!
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ISIGestAuthor Commented:
I solved with this:
    SetWindowPos(Handle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE);
    If Assigned(frmMain) Then
      SetWindowPos(frmMain.Handle, GetNextWindow(HWND_TOP, GW_HWNDNEXT), 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE Or SWP_NOACTIVATE);
    SetWindowPos(Handle, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE);
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