Some applications write text or other images over the
desktop/other applications and still render properly when apps below
them are rendering. For example, the volume control on a keyboard may
display something like "+12 |||||||||" in green while the volume is
being changed.
Similarly, with .NET/GDI+/Winforms you can set an Opacity property
which makes the entire application transparent to whatever degree you
desire so that apps underneath can still be seen, again even if the
transparent application and those underneath are changing.

How can I accomplish these techniques in a non-.net win32 application?
(GDI+ runs over windows/GDI, so I'd think it would be possible.)
Where is there example code?

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Request for Question Clarification by joseleon-ga on 22 Sep 2003 00:06 PDT

Hello, supermarketsushi:
  In which development language do you want the examples? I can
provide some Delphi examples to create semitransparent windows and
OSD-like info.

Regards.