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coda_x wrote:
do {
fscanf( stream, "%s", name );
fscanf( stream, "%s", target );
fscanf( stream, "%s", etchant);
fscanf( stream, "%s", conc);
fscanf( stream, "%d", &temp );
fscanf( stream, "%f", &etchrate );
name_str = name;
}while (name_str != searchkey);
This loop is where your program is hanging. If you never read a value where name_str==searchkey, the loop will continue forever. Eventually you will reach the end of file, and the fscanf functions will return errors.
Software Zen: delete this;
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thanx! i solved that but now i have another problem, i use 2 if statements which contain different searchkey, so by right, my dialog_etch should display different information depending on the searchkey but it kept displaying the same info to mi...:
if(strcmp(buffer,"Wet etch Al H3PO4") == 0)
{
CString search = "Wet1";
/* Read data back from file: */
do
{
fscanf( stream, "%s", name );
fscanf( stream, "%s", target );
fscanf( stream, "%s", process );
fscanf( stream, "%s", etchant);
fscanf( stream, "%s", conc);
fscanf( stream, "%d", &temp );
fscanf( stream, "%f", &etchrate );
name_str = name;
}while (name_str != search);
/* Output data read: */
CString str;
str.Format("%s %s %s %s %s %d %f",name,target,process,etchant,conc,temp,etchrate);
m_etchDlg.m_str_target = target;
m_etchDlg.m_str_process = process;
m_etchDlg.m_str_etchant = etchant;
m_etchDlg.m_f_etchrate = etchrate;
m_etchDlg.m_str_conc = conc;
m_etchDlg.m_temp = temp;
UpdateData(FALSE);
m_etchDlg.DoModal();
fclose( stream );
}
if(strcmp(buffer,"Wet etch Al H3PO4/HF") == 0)
{
CString search = "Wet2";
/* Read data back from file: */
do
{
fscanf( stream, "%s", name );
fscanf( stream, "%s", target );
fscanf( stream, "%s", process );
fscanf( stream, "%s", etchant);
fscanf( stream, "%s", conc);
fscanf( stream, "%d", &temp );
fscanf( stream, "%f", &etchrate );
name_str = name;
}while (name_str != search);
/* Output data read: */
CString str;
str.Format("%s %s %s %s %s %d %f",name,target,process,etchant,conc,temp,etchrate);
m_etchDlg.m_str_target = target;
m_etchDlg.m_str_process = process;
m_etchDlg.m_str_etchant = etchant;
m_etchDlg.m_temp = temp;
m_etchDlg.m_f_etchrate = etchrate;
m_etchDlg.m_str_conc = conc;
m_etchDlg.m_temp = temp;
UpdateData(FALSE);
m_etchDlg.DoModal();
fclose( stream );
}
is there anything wrong with it?
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Hi,
I want to create an application which shows the status of my network devices. For this I want to put clickable icons. Once I click that it should generate a dialouge box showing the details of the device. Now, my doubt is how to create small clickable item with some icon over it?? Can it be a regular resource?? How to generate that small buttons??
Thanks and Regards,
SatyaDY.
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Sounds like you want something like a bitmap button. Search this site for that. Another good site to look is www.codeguru.com.
Larry J. Siddens
Cornerstone Communications
TAME THE DOCUMENT MONSTER
www.unifier.biz
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How do I determine a string is empty, coming from the input stream?
Purely for simplicity, let's say I have the following:
string str;
do
{
cout<< "\n\n Enter Something: ";
cin>>str;
} while(str.size()==0);
What I'm testing for, is whether the string is empty (which would include whitespace as well). IOW, if 'return' were to be hit, that is a whitespace, and I would like the message to be repeated.
The sample illustration is merely a test to see how I can determine when a string is truly empty, and while it is syntactically correct, the message, "Enter Something" does not get repeated if 'return' was hit.
'str.length()' doesn't do it either.
Thanks.
William
Fortes in fide et opere!
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Hi William,
The cin will not return until an EOL or EOF character is entered. This usally is the carriage return. To tell if the string is empty, you can cycle through the string looking for any non-white space characters. Or, strip off the white characters. I have done this before, but I have lost that code.
Hope this helps. (Sorry I cannot give you the exact way, I don't have my STL book at home.)
Larry J. Siddens
Cornerstone Communications
TAME THE DOCUMENT MONSTER
www.unifier.biz
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Try with
getline(cin,str); which won't eat whitespace (except the final return key).
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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WREY wrote:
How do I determine a string is empty, coming from the input stream?
You could try writing your own version of the getline function. I've done what I think you are trying to do by doing inputstream.get( char ). You can continue scanning the input until you get a newline character or whatever you want. The only problem is that a carriage return will have to have been pushed for the input to go into the stream. And if you want to keep track of the entire input, you can just keep adding each character to a string. I hope this helps, good luck.
Douglas A. Wright
dawrigh3@kent.edu
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hi..
Assuming there is alist ctrl in a dlg..
How do i handle a LVN_ITEMCHANGED message in the OnCmdMSg,, instead of
actually handling LVN_ITEMCHANGED message for the list ctrl ??
Any help is appreciated.
Thanx
saleem
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LVN_ITEMCHANGED is a notification sent by the list control to its parent, in this case your dialog. OnCmdMsg is a handler for a command message. Perhaps if the command handler and the notification handler need to do something in common, you could create a single function that both handlers use?
Software Zen: delete this;
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Hi,
In my MFC app,i create Menus dynamically.In this case how to trap the messages when menu item is selected or clicked.I overrddden OnCmdMsg() routine..but somehow i don't get the handle for the selected MenuItem..Pl help.
Thanks in advance
Ram
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Why are you not using the wizard to create the handle? The wizard (not sure about .net still learning how they have changed it). This creates the method in the .h, the macro to handle and the skeleton method. Then all you need to do is add the meat! Is there something extra that you are trying to accomplish?
Larry J. Siddens
Cornerstone Communications
TAME THE DOCUMENT MONSTER
www.unifier.biz
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I'd like to create functions that copies a specific string (array of char) from another, starting at a specific offset and have a specific length.. probably something like this
char* CopyStr(const char* pszFrom, int nOffset, int nLength);
How can I do it without using CString or std::string? 
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or memcpy
memcpy(pDest,pFrom+nOffset,nLength*sizeof(char))
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With memcpy, you will need to manually add the terminating NULL or preinitialize the destination buffer with NULLs.
Steve
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Hi  ,
Does any body have some examples on SNMP in C or C++?? (Not from MSDN)
Or suggest some web site.
Thanks and Regards,
Satya ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
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What is SNMP???
Well... I am a beginner ...
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SNMP stands for Simple Network Management Protocol. Most of the Network Management Systems use this protocol to Manage the Network products.
Satya
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Hi,
For last 3 months i am looking for some one who can help me to get process wise cpu usage in NT (i have the procss ID). could anybody pls. tell me how to do that. it will help me alot.
* could u pls. tell me how to get process wise memory usage in win 9x?
pls. help me to get out of this problem.
pradip 
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thank's for getprocesstime() but from this time how will i get the cpu usage of that process.
pls. help me
pradip
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thank's for getprocesstime() but from there how will i get the cpu usage of that process.
pradip
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thank u for the code which u have posted, but could u pls. tell me how to calculate the process wise cpu usage if more than one instance of a process (i.e "MSAccess") is running.
if it is possible for u pls. send me some code.
pradip
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