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MessageBox function (Windows)

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Title of Message box dialog is truncating

Please see the below message dialog title. its truncated vertically .


I am using MessageBox api to display it .



Any solution to it ?.



9/16/2014

MessageBox with a checkbox "In the future, do not show me this dialog box"

For those who want to display a checkbox on your message box that reads, "In the future, do not show me this dialog box" you can use the SHMessageBoxCheck API from Shlwapi.dll:
http://msdn.microsoft.com/en-us/library/windows/desktop/bb773836(v=vs.85).aspx


or here's the managed version:
http://pinvoke.net/default.aspx/shlwapi.SHMessageBoxCheck

6/1/2014

False claim regarding the press of Esc key

"If the message box has no Cancel button, pressing ESC has no effect."


Actually it has the effect of closing the message box. This has been tested using a small application written in C++, with Visual Studio 2010, on Windows 7 Professional 64-bit.

MB_ICONQUESTION confusion

I can't believe you think "users can confuse the message symbol question mark with Help information" when displayed in a message box.  If you are that concerned about this
6/21/2013

MB_ICONQUESTION confusion

then change the message box icon so it does not match the one used in help.  For example use the Windows XP message box question icon,
6/21/2013

MB_ICONQUESTION confusion

or change it to the information icon if you cannot stand it being a question mark.


The problem with the available non-question icons

6/21/2013

MB_ICONQUESTION confusion

is that they do not clearly convey at a glance when the message is an interrogative or is simply information.  Yes they can look at the fact that there is more than
6/21/2013

MB_ICONQUESTION confusion

that there is more than one button in the message box, but they eye is immediately drawn to the icon, not the button.


The other bigger problem is that users often don't really

6/21/2013

MB_ICONQUESTION confusion

want to pay attention anyway, so they need that "in your face" type thing to draw their attention and cause them to respond correctly to these kind of message boxes.
6/21/2013

MB_ICONQUESTION confusion

It would be better if we had icons that combined the interrogative display of a question mark icon with the warning/error level of the other icons. 
6/21/2013

MB_ICONQUESTION confusion

Icons such as a white question mark in a blue circle for a basic question, a black question mark in a yellow triangle
6/21/2013

MB_ICONQUESTION confusion

for a question with a warning, and a white question mark in a red circle for a question with an error (not certain when that would be useful though) would be good for that.
6/21/2013

MB_ICONQUESTION confusion

Perhaps changing the blue background to eliminate the confusion with the help icon would be even better.  If you think that people would still be confused with a different color,
6/21/2013

MB_ICONQUESTION confusion

then I guess that people will also confuse question marks in an email for help as well.  Nothing anyone can do about it when people go there.
6/21/2013

If you got error c2664


I was got error c2664 and confused. But if you look through above example, maybe you will found answer.



The param 1 and param 2 is need type conversion, and like:



(LPCWSTR)L"Account Details"












5/31/2013

Answers to the last two additions:

OMG. Please learn some basics - besides, this is no forum... But as it's also a coding problem in the example code of MS, I answer here:


(LPCWSTR)L"Resource not available\nDo you want to try again?",...


a) the 'L' prefixes a Unicode (UTF16-encoded/wide-char) string


b) the explicit cast should not be used, as otherwise, if the 'L' is missing, the code will compile, but the program will display garbage and/or crash (or cause a single character to be shown instead of the full text, if something like (LPSTR)L"Hello" is used.


Just use MessageBox(...,L"text",L"title",...) or MessageBox(...,"text","title",...). No dangerous cast, nothing. Avoid superfluous casts, as it will disable the compiler's code sanity checks. Keep in mind these two APIs are different APIs or might cause a compiler error if the UNICODE define is not set correctly - which is intentionally and prohibits dangerous mistakes. MessageBoxW(...,L"text",L"title",...) and MessageBoxA(...,"text","title",...) will always work, however.


12/20/2012

Display Message Box

In VS 2012, this is my code: 


#include <windows.h>


int WINAPI WinMain(HINSTANCE hIn , HINSTANCE hPrevInce, 
LPSTR lpe, int nShowd)
{
    MessageBox(NULL, "hayate has hacked your system!",
        "Public Security Section 9", MB_OK | MB_ICONEXCLAMATION);

    return 0;

}


And I get this error: 


error C2664: 'MessageBoxW' : cannot convert parameter 2 from 'const char [31]' to 'LPCWSTR'


Have some guys done this. Please tell me how to correct it!






12/14/2012

Need Know How.


I've got a question ablout this line from example:


(LPCWSTR)L"Resource not available\nDo you want to try again?",

Why is the "L" mark before message text for? Can something other be put in that place?

P.S.
Note I am newbie. Can you post your answer on 1dziubo1@gmail.com, please? I will be very gratefull.


10/9/2012

ctrl-c/ctrl-insert in messagebox

ehm... after almost 20 years of writing windows software today i discovered that one can copy/past the messagebox text via ctrl-c / ctrl-insert, it results in a text like:



---------------------------

title

---------------------------

this is the messagebody

---------------------------

OK

---------------------------

9/28/2011

Integer values of codes

Most of the values are found in winuser.h


See http://doc.ddart.net/msdn/header/include/winuser.h.html and search for MessageBox for details.

11/30/2009

MB_TOPMOST is ignored on Vista

Note: MB_TOPMOST does not set WS_EX_TOPMOST on Vista. The workaround is to use MB_SYSTEMMODAL.
10/15/2009

Custom enhanced messagebox

The simple way to use the new message box is to change nothing in your application. All your calls to AfxMessageBox(...) remain just the way they are already. You just have to overwrite the method DoMessageBox in your application class, which is derived from CWinApp.

http://www.codeproject.com/KB/dialog/MessageBoxDialog.aspx

10/12/2009

MB_SERVICE_NOTIFICATION is ignored on Vista

Note: Starting with Vista, the desktop is isolated from services via session separation. If a service calls MessageBox with MB_SERVICE_NOTIFICATION the message box will not be displayed. Instead USER32 will intercept the call and immediately return a fake successful result code to simulate a button press. (I don't remember the exact return code - probably IDOK or IDCANCEL.)
7/13/2009

MB_TOPMOST vs MB_SERVICE_NOTIFICATION

MB_TOPMOST will not set the message box over all windows if the program from which it was created never received focus before. As a workaround MB_SERVICE_NOTIFICATION could be used. The only difference is that it will be shown in a classic theme.

Integer values of codes

It would be nice to have a list of integer values for these codes. I'm developing a Windows Scripting Host application and in this case the named variables aren't supported. The WSH documentation refers me to here for the additional codes.
4/15/2008
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