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subclassing

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Viper

Posts: 1
Nickname: slyviper
Registered: Aug, 2005

subclassing Posted: Aug 14, 2005 2:44 PM
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Help!

In Win 98 I could SubClass another program and make it do what I want it to do,
But in Win Xp microsoft have changed the command I used.
In Win 98
I use the "GetWindowLong()" command to return the Proc Address Pointer.
with...

Old_Wnd_Proc := Pointer( GetWindowLong( My_Progs_Win_Handle, GWL_WNDPROC ));

The New Xp's version of the "GetWindowLong()" command if your trying to get a
Windows Proc Address Pointer is now "GetWindowLongPtr()" but this new command
want work in Delphi 7 ???

Xp's new way...

Old_Wnd_Proc := GetWindowLongPtr( My_Progs_Win_Handle, GWLP_WNDPROC);

Can you go on the Net for me and find any info on the
"GetWindowLongPtr" command. Used for Subclassing another program.

(NOT the "GetWindowLong" command, it MUST be the Get Window Long "Ptr")
^^^
(NOT subclassing a window in your own program)

Thanks Viper

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