Re: Getting Information in different Procs.... in C!!!!

"Igor Tandetnik" <>
Fri, 13 Mar 2009 21:09:45 -0400
"Robby" <> wrote in message

So for example, suppose I have a structure that is typedefed which
holds the passcode as a long and I configure the pass code in a first
window procedure called WIN_PROC1. Then later when I am in
WIN_PROC2, I would like to access the pass code value while in

So, you store it somewhere. E.g. in a global variable. What again seems
to be the problem?

How does Windows allow this type of access. Remember, I am
not passing the structure from WIN_PROC1 to WIN_PROC2.... its like in
VC++ (native code) all Window procedures pass is a handle to a
window, a long for the message #, a LPARAM and a WPARAM only!!!!!

Well, if you don't like global variables, there are also ways to
associate arbitrary information with an HWND. See e.g. GetProp, SetProp.
With best wishes,
    Igor Tandetnik

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