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vgrigor wrote:
WindowsInstaller -why so considered good?
"Good" is in the eye of the beholder. If you like Microsoft products, then you'll probably like WindowsInstaller. If you don't like Microsoft products, then you'll probably not like WindowsInstaller, regardless of its merits.
vgrigor wrote:
that some install- makers already not include possibility to create exe files...?
Not sure what you are saying here.
vgrigor wrote:
this is strong -
Wise installer 5.1
Does this is true?
(can not make exe by Wise)
Yes, WISE is a good program, and has always created a self-extracting EXE.
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Sorry I downloaded
"Wise for Windows Installer" -
it is even called so
but
"Wise for Visual Studio .NET is the industry's first .MSI installation authoring solution integrated directly into Visual Studio .NET. Wise for Visual Studio .NET includes everything professional developers need to create .MSI installations, and the tight integration offers the substantial advantage of streamlined installation authoring and better installation quality.
"
In it's wizard I can not create exe.
May by you meant another their product?
Or how to from "Wise for Windows Installer" create exe?
Thanks you for response.
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vgrigor wrote:
May by you meant another their product?
Correct. I have not used their product in almost three years.
vgrigor wrote:
Or how to from "Wise for Windows Installer" create exe?
Just "compile" it. The output is an EXE file.
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Target option is "msi package"
I doubt that it would create exe.
...
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Hi everyone,
First off i would like to say this site is great, especially for a 15 year old that is trying to learn VC++ on his own.
I want to send a hex number to the screen, but don't know how. What data type should it be, and how would i represent a hex number.
For example I want to send something like 5FF00231 which would be an 4 byte number. I don't know how though, would it be an int, a string?
Please help...thank you so much
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Do you just want to display "5FF00231" on the screen??? If so just send it as a normal string.
Regards,
Brian Dela 
IE 6 required: http://www.briandela.com[^]
It works now.
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So is your question about converting base X numbers to base 16, or displaying text to the screen?
If the former, try:
int number = 1609564721;<br />
char str[16];<br />
sprintf(str, "%#x", number);
If the latter, try:
printf("%s\n", str);
or
cout << str << endl;
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My friends dad gave me a program to write cause he said it will make me learn.
I have to connect to a server and send it 4 byte messages that have the form of 5FF00239. The message changes though, because the window (dialog i think its called) has 2 check boxes. If only the first check box is checked then the message should be 5FF00239 and if the second check box is only check it should be 5FF0023A. But if both are checked then he wants the message to be 5FF0023B.
How do I make these messages? I don't know what type they should be. I can do everything else he wants except i don't know how to do the message. I thought it would be a string, but he says if it is, then the message is 8 bytes instead of 4?
Please help me...
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Ok, numbers are treated differently when sending them versus displaying them. When you talk about a "hex number," that is for display purposes only. In other words, 1609564729 and 0x5FF00239 are treated identically by the computer. It stores them as binary regardless of how you use them. Now if you are sending "1609564729" and "0x5FF00239" (notice the quotes) to some other process/computer, then they are two totally different things.
So, whether you send 1609564729 or 0x5FF00239 to the server, it makes no difference.
What mechanism are you using to send data to the server?
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Hi,
thanks for helping me.
mechanism? I want to use the int send command. Is that what you are talking about.
So you are saying that I can use a int variable, but just put 0x in front of the number?
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Bingo!!
These three code snippets are the same:
int num = 123456789; // base-10
SendToServer(num);
int num = 0x75BCD15; // base-16
SendToServer(num);
int num = 0726746425; // base-8
SendToServer(num);
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For the send command, i have problems
it needs the socket and a message and a length, and some flags. Its says I can't use int because the message has to be const char *. for the length is that in bytes? should it be 4 or 10 to represent all numbers/letters?
Jimmy
Just cause I am 15, doesn't mean I'm dumb! (I'll really be 4 on Feb. 29...the year 2004)
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How about a code snippet of what you are trying to do?
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hi,
here is what i want to do, the program is connected to the server already. (I don't know how to connect, i just use my friends dad program to connect)
int message;
message = 0x5FF0023A;
send(s, message, strlen(message), 0);
It says send can't convert parameter 2 from int to const char *
and it says the same thing about strlen.
Jimmy
Just cause I am 15, doesn't mean I'm dumb! (I'll really be 4 on Feb. 29...the year 2004)
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NewHSKid wrote:
the program is connected to the server already. (I don't know how to connect, i just use my friends dad program to connect)
Does that mean he is supplying you with a valid socket descriptor?
Given that the second parameter of send() is expecting a char*, you'll need:
int nMessage = 0x5FF0023A;
char szMessage[9];
sprintf(szMessage, "%d", nMessage);
int nBytes = send(s, szMessage, lstrlen(szMessage), 0);
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Hi,
Thanks for helping.
So when i use that code, the receiving program will get the hex number of 5FF0023A?
Jimmy
Just cause I am 15, doesn't mean I'm dumb! (I'll really be 4 on Feb. 29...the year 2004)
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No, the recv() function on the other end will receive "5FF0023A" as a char*. It can convert that to an integer (long actually) with strtol().
long lMessage;
char szMessage[9], *stop;
int nBytes = recv(s, szMessage, sizeof(szMessage), 0);
lMessage = strtol(szMessage, &stop, 16);
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try this :
send(s, (const char FAR*)message, sizeof(message), 0);
though the sizeof(message) param can just be 0, as message oriented sockets will send a zero-length transport datagram.
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Windows Sockets can be highly complicated as well as windows programming for people somewhat new to programming. From your posts it seems as if your skipping quite a few steps in the learning process. I think if you ended up writing a program that does what you want now it will be mostly cut/paste code and you won't get much out of the experience. This program would be an excellent learning experience, but you should make creating it more of a long range goal.
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Hex numbers are usually preceded by the characters 0x to indicate the following four byte code is a hex value and not an integer. So, the end message should read something like 0x5FF00231. I would use an integer (because hex numbers are generally used to display a 32-bit integer unsigned or signed in Base 16 format - remember that, especially if you want to get into the games industry  ). So my code in WinMain would look like :
int WinMain(blah...)<br />
{<br />
int myhex = 0x5FF00231;<br />
char message[32];<br />
sprintf(&message[0], "0x%x", myhex);<br />
::MessageBox(NULL, message, message, MB_OK);<br />
}<br />
}
Hope that helps you
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to be absolutely correct you could use the \0 null terminator to end the string. I always use at least a 32 byte string cos memory byte placements like multiples of 32 to avoid memory padding.
sprintf(&message[0], "0x%x\0", myhex);
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That is what I want to do later on, I want to program video games.
Can you explain what the char message[32]does?
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It reserves a spot (named "message") in memory for 32 characters.
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but I only need 4 bytes? should i change the 32 to 4 then?
Jimmy
Just cause I am 15, doesn't mean I'm dumb! (I'll really be 4 on Feb. 29...the year 2004)
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You don't need this at all. Dangleberry's post was just showing you how to convert a number to a string (which was then displayed in a message box).
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