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error C2872: 'MessageBox' : ambiguous symbol
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oib111
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PostPosted: Tue Aug 26, 2008 10:22 pm    Post subject: error C2872: 'MessageBox' : ambiguous symbol Reply with quote
I'm making a program with managed C++ (x_x I know) and when I try using MessageBox, I get this error:

Quote:

error C2872: 'MessageBox' : ambiguous symbol


I am including windows.h.
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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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kitterz
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PostPosted: Tue Aug 26, 2008 10:23 pm    Post subject: Reply with quote
Are you saying managed as in CLR/.NET?
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oib111
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PostPosted: Tue Aug 26, 2008 10:25 pm    Post subject: Reply with quote
Yea. CLR.
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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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kitterz
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PostPosted: Tue Aug 26, 2008 10:26 pm    Post subject: Reply with quote
You must use

Code:
Messagebox::Show ();


This game me the same error too. It took me like 1 hour to figure out the solution.
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oib111
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PostPosted: Tue Aug 26, 2008 10:27 pm    Post subject: Reply with quote
Lol thanks. Same parameters?
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kitterz
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PostPosted: Tue Aug 26, 2008 10:28 pm    Post subject: Reply with quote
It has multiple overloads...there is no hWnd either.

http://msdn.microsoft.com/en-us/library/system.windows.forms.messagebox.show.aspx

Edit: Just remember that it is not a char* or string value, but rather a String^
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oib111
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PostPosted: Tue Aug 26, 2008 10:34 pm    Post subject: Reply with quote
Ok how do I put an OK button in there? I looked up the constants but I'm getting an error using the OK constant:

Quote:

------ Build started: Project: pIM Server, Configuration: Debug Win32 ------
Compiling...
pIM Server.cpp
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(155) : error C2065: 'OK' : undeclared identifier
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(164) : error C2065: 'OK' : undeclared identifier
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(170) : error C2065: 'OK' : undeclared identifier
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(176) : error C2065: 'OK' : undeclared identifier
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(184) : error C2065: 'OK' : undeclared identifier
c:\documents and settings\oib\my documents\visual studio 2008\projects\pim server\pim server\Form1.h(191) : error C2065: 'OK' : undeclared identifier
Build log was saved at "file://c:\Documents and Settings\OIB\My Documents\Visual Studio 2008\Projects\pIM Server\pIM Server\Debug\BuildLog.htm"
pIM Server - 6 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========


Example of MessageBox::Show

Code:

//heres one of mine
MessageBox::Show("WSAStartup failed!", "Error", OK);

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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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Zand
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PostPosted: Tue Aug 26, 2008 10:41 pm    Post subject: Reply with quote
Just what is
Code:
OK
??

Code:
MB_OK


Very Happy
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oib111
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PostPosted: Tue Aug 26, 2008 10:46 pm    Post subject: Reply with quote
Yeah, but I figured it out. But I'm wondering how I can use the send API (for Winsock). It says it cant convert a managed type (String^) to an unmanaged type (char*).
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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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Zand
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PostPosted: Tue Aug 26, 2008 11:11 pm    Post subject: Reply with quote
Use StringToHGlobalAnsi
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hcavolsdsadgadsg
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PostPosted: Wed Aug 27, 2008 12:08 am    Post subject: Reply with quote
Recommending C# since managed C++ is disgusting.
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oib111
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PostPosted: Wed Aug 27, 2008 12:12 am    Post subject: Reply with quote
Just a question. How do you write a new line to an edit box?
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hcavolsdsadgadsg
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PostPosted: Wed Aug 27, 2008 2:16 am    Post subject: Reply with quote
Environment.NewLine

... I think.
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kitterz
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PostPosted: Wed Aug 27, 2008 8:07 am    Post subject: Reply with quote
oib111 wrote:
Just a question. How do you write a new line to an edit box?


Do you mean as in write to a editbox?

If so, then...you have to remember it is managed.

NameOfEditBox->Text = "This is a Line";

Or if you mean MultiLined...there is a propery, and you use the statement

NameOfEditBox->Text += "\r\nThis is another Line";

Last edited by kitterz on Wed Aug 27, 2008 9:00 am; edited 1 time in total
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lurc
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PostPosted: Wed Aug 27, 2008 8:28 am    Post subject: Reply with quote
Just make it Multi-Lined and add a \r\n at the end of a line?
Anyways i agree with slovach, use C# for this, C++.NET is just horrible.
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