hide icons in task bar for forms in DLL

I have an application with a main form and some more forms in DLLs. When I use my DLL forms, I hide my mainform. Each DLL form shown produces an icon in the taskbar.
How do you hide the icons in the task bar for the DLL forms, leaving only the icon for the mainform, such that when I minimize a DLL form, I can restore it by clicking on the mainform icon in the taskbar.
chrisyapAsked:
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batsoftCommented:
If these DLL's created with Delphi you should give an application.Handle to DLL and at initialization of DLL give this handle to Handle property of Application in DLL.
Example:
 {In DLL }
 procedure Entry01(Handle:Integer);stdcall;
 begin
  Application.Handle := Handle;
  MyFOrm := TMyForm.Create(Application);
 {MyForm will be child window of application }
end;
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chrisyapAuthor Commented:
Thanks, that works. But could I have the child windows minimize to the same icon in the task bar instead of a little window title bar at the bottom of the screen?
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