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CString str = "test.pvd sth"
int index = str.Find(".pvd");
if(index == -1)
return;
str = str.Left(index + 4);
It should work, though I did not compile it
See CString class header for all possible methods
:P
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You use the combination of Find and Delete member functions. An example:
CString csText = "I am .pvd and I rock the world !";<DIV>
csText.Delete( csText.Find(".pvd") + strlen(".pvd"), 4000 );This code fragment would look for the starting point of the ".pvd", then move forward based on the length of the search string, and delete from this point forwards until 4000 characters are removed or the end of the string is reached (more likely).
-Antti Keskinen
----------------------------------------------
The definition of impossible is strictly dependant
on what we think is possible.
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Antti Keskinen wrote:
csText.Delete( csText.Find(".pvd") + strlen(".pvd"), 4000 );
I think that this doesn't work 
Carlos Antollini
Do you know piFive[^] ?
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A quick Win32 console application supporting MFC on the .Net 2003: The code issued for the compiler:
CString csText = "I rock the .pdv world !";<DIV>
csText.Delete( csText.Find( ".pdv" ) + (int)strlen(".pdv"), 4000 );<DIV>
AfxMessageBox( (LPCTSTR) csText, MB_OK );This code fragment, when run, displays the console window and pops up a message box reading: "I rock the .pdv". Logical conclusion: the code works, and your assumption of it's non-functionality was misplaced.
I know your reply comment was meant humorous, but please.. I am tired of fixing things that aren't broken just because there are people in the wide world who think they know better. I don't mean anything malicious with this nor do I want to make you feel bad in any way, but I just don't find it funny. If you believe that you have more accurate information over a matter, present it, and perhaps point out the things that are incorrect in the earlier postings.
It's just that this time, I was correct, you were wrong, and the code worked flawlessly and did precise what it was supposed to do. Perhaps next time, the situation will be reversed, and I'll be the one in need of learning new stuff 
-Antti Keskinen
----------------------------------------------
The definition of impossible is strictly dependant
on what we think is possible.
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Hello, I'm new to this forum/website/ and C++!
The problem I'm having is that my loop repeats even when I enter a value of 'Y', 'y', 'N', or 'n'. I want it to break after one of these values have been entered and return it. Please advise.
Even if I enter Y, N, y, or n it still does the while loop. I'm trying to get it to repeat the loop ONLY if the value of the variable isn't one of the above. Please advise.
char searchAgain()
{
char rSearch;
do
{
cout << "Search again? (Y/N): ";
cin >> rSearch;
}while (rSearch != 'Y' || rSearch != 'y' || rSearch != 'N' || rSearch != 'n');
return rSearch;
}
"Criticism comes easier than craftsmanship" - Zeuxis
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CarteBlanche wrote:
(rSearch != 'Y' || rSearch != 'y' || rSearch != 'N' || rSearch != 'n');
Change the || to && and it should do what you want.
right now you're saying if it's not Y or y or N or n, then continue looping... but, if you switch it to "if it's not Y and y and N and n", it'll exit the loop. or, it should at least.
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Ahh, ok. That makes sense now. Thank you kindly
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This is because you use the standard input stream (cin). This will read characters from the input stream into the designated buffer. As you will first type 'Y' and then press enter, the rSearch will end up showing the NULL character '\0'.
If you are using Visual Studio and/or Windows OS, consider utilizing the _getch function instead of the standard input stream. See MSDN with a keyword for more information about the function.
Code example:
#include <conio.h><DIV>
char rSearch;
do
{
cout << "Search again ? (Y/N): ";
_getch( rSearch );
rSearch = toupper( rSearch );
} while ( rSearch != 'Y' && rSearch != 'N' );
If you are programming on Linux and thus have no access _getch, consider creating a buffer of two or more characters, then using the input stream operation again, only this time checking the first character of the buffer. However, if user inserts more characters than the buffer can hold, the result is unpredictable. You can fix this by using the cin.get routine instead, with a fixed amount of characters read.
-Antti Keskinen
----------------------------------------------
The definition of impossible is strictly dependant
on what we think is possible.
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Wow, thanks. Much appreciated.
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Hi,
What is the syntax to count the number of characters in a CString ?
Ehsan Behboudi
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You should get able to use the GetLength function.
strMyString.GetLength();
- monrobot13
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If you want to save to file, you may want to use GetLength()*sizeof(TCHAR), where TCHAR in Unicode environment is defined as two byte type.
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hi mr2003,
you know what, you have a complete part of Visual Studio called MSDN... have you ever heard about it ? 
if you have a look at CString Class members, i'm sure you can find that answer by yourself...
nevermind, everybody start to learn one day...
see you later i hope
TOXCCT
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we all have good days and bad days, my friend !!!
Ehsan Behboudi
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ey guy, that was just... a joke! humor!!! 
You're probably better than me in coding, so keep cool man !
TOXCCT
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Hello!
Right!
But anyway I know many good coders that know nothing about MFC
By the way: there exist empty global CString object (I am talking about vc60). By changing that object, every empty one will be initialized by the changed value. It can be achieved by changing newly created CString object in incorrect way of course. (Something like getting to inner char pointer, or calling GetBuffer without a release)
Funny results 
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I need to insert a page break after every hyperlink, if I try the InsertBreak then it replaces the hyperlink text/link, how do it make it happen after this link ?
Many Thanks,
Lee.
Hyperlinks hyplnks;
Hyperlink hyplnk;
Range rg = testDoc.GetContent();
hyplnks.AttachDispatch(rg.GetHyperlinks());
for (long j=1;j<=hyplnks.GetCount()-1;j++)
{
COleVariant n = COleVariant((long)j);
hyplnk.AttachDispatch(hyplnks.Item(n));
Range oSecRange = hyplnk.GetRange();
oSecRange.InsertBreak(COleVariant((long)7)); // 7 = wdPageBreak
}
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Is it possible to have a CArray of structures that contain other CArrays? For example:
struct COMPLEX
{
CString original;
int changed;
CString new;
};
struct INV
{
CString zValue;
int valence;
int dependence;
int layerNum;
CArray<complex, complex=""> complexes;
};
struct INVISIBLE
{
CArray<inv, inv=""> invisible;
};
I have tried this, and I get an error referring to initializing the second CArray (the complexes array). Is this actually possible or should I start re-thinking my way of doing this?
Thanks
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CArray is templated, are you doing that (or is it this BB stripping them out)
It should be,
CArray<COMPLEX, COMPLEX&> complexes;
Is that what you have?
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oops, sorry i didn't realize that it didn't print out properly... let's try this again. i wasn't using the & sign though, what does that do?
struct COMPLEX
{
CString original;
int changed;
CString new;
};
struct INV
{
CString zValue;
int valence;
int dependence;
int layerNum;
CArray<COMPLEX, COMPLEX> complexes;
};
struct INVISIBLE
{
CArray<INV, INV> invisible;
};
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these are the errors I get when I compile. I haven't done anything to my code other than adding the COMPLEX struct, and adding the CArray into the INV struct.
c:\program files\microsoft visual studio\vc98\mfc\include\afxtempl.h(255) : error C2558: struct 'INV' : no copy constructor available
c:\program files\microsoft visual studio\vc98\mfc\include\afxtempl.h(1566) : while compiling class-template member function 'struct INV __thiscall CArray<struct inv,struct="" inv="">::GetAt(int) const'
C:\Program Files\Microsoft Visual Studio\MyProjects\GUPIXWIN\DefineMatrixElementDialog.cpp(252) : error C2664: 'Add' : cannot convert parameter 1 from 'struct INV' to 'struct INV'
No copy constructor available for struct 'INV'
the one about adding is coming from this line:
ma_invisible.Add(invElement);
where ma_invisible is a CArray of INV structures and invElement is of type INV.
Does anyone have any ideas?
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Like the errors say, try implementing a copy constructor inside the INV struct. This constructor is needed to implement a CArray of objects, unless you use the ampersand (&) as the second parameter of the CArray template instantation.
See any good C++ book for instructions on how copy constructors work.
-Antti Keskinen
----------------------------------------------
The definition of impossible is strictly dependant
on what we think is possible.
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Antti Keskinen wrote:
unless you use the ampersand (&) as the second parameter of the CArray template instantation.
with which CArray would i use the & with? the complexes or invisible one? (or both?)
thanks.
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I think you should use it with both. So that the first TYPE is the struct's identifier, and the next is a reference to it. The default implementation uses a constant reference. They would e.g. become as
CArray< INV, INV& > INVArray;
For simple objects and members of the MFC collection, the usage of the class name only in the second parameter of CArray instantation works, because most of the classes have both copy constructors and operator= implemented. I believe you used a ready source code piece as an example of implementing it, and thus did not consider this issue.
Perhaps it works with this alteration. I am not sure, I'd need to test it myself to see what it says.. But this is pretty much as far as I can help you. Perhaps you should create a small test project just to create several structures with CArrays inside them and them fiddle about with them for a little to see how they work ?
-Antti Keskinen
----------------------------------------------
The definition of impossible is strictly dependant
on what we think is possible.
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Basically,
The first paramater is the type stored in the array, so type INV in this case, the second is the type used in method calls - INV& avoids having to make a copy of the INV struct for each method call in the template that takes type INV.
Your problem basically comes down to the fact that CArray doesnt have a copy constructor. Without the embedded CArray in the INV struct, the compiler would just provide a default copy constructor for the INV struct. With the embedded CArray, it can't do it, so you need to provide a copy construtor for your INV struct that does a value by value copy of the "complexes" CArray member, plus the other ones too. It's needed because methods like GetAt return by value - IE make a copy of the item in the array and return that.
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