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CreateProcess Function for Visual C++

Posted on 1998-04-11
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Last Modified: 2010-04-10
I am writing a program that needs to send a message to a user with a message I type in.  I don't mind using the net send function, but need to know how to send the user and message to it, also if I go this route, I want the command window that pops up to be minimized.  However, I would rather not use this process.  How can this be accomplished?
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Question by:york040598
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alexo earned 200 total points
ID: 1184217
Under NT, check the function NetMessageBufferSend().  Note that all the strings are uincode!
Under 95, I'm affraid you'll have to CreateProcess() with "net send".
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by:alexo
ID: 1184218
Wow!  Shitty memory...
There's a way that works for noth 95 and NT.

1. Open mailslot (using CreateFile() call) named \\<computer>\mailslot\messngr
    Where <computer> is the name of computer to receive the message (can also
be workgroup or domain name).

2. Write your message to the mailslot (using WriteFile() call) in this form: <from>\0<to>\0<text>
    <from> is the name of messsage sender,
    <to> is the name of recipient (in fact any text you wish, WinPopup displays these pieces of text in message title bar).
    Note the zero bytes separating 3 parts of the message!

3. Close the mailslot.

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by:alexo
ID: 1184219
Also, the recepient has to run winpopup (Win3.x, Win95) or the messenger service (NT).  That is also true for the regular "net send".
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by:york040598
ID: 1184220
The problem with the latter suggestions is that it seems I must know the computer I am send to.  Rather than a logged in user like net send does.  
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by:alexo
ID: 1184221
york, I'm sorry I didn't respond earlier (lost the reference to the question).

You can go low level and use Netbios() to send a message to a user name (that's what NET SEND does).  However, NetBios programming takes getting used to...

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