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Hi All,
I'm facing the following strange problem using MFC Grid Control (by Chris Maunder) in my VS2010 MFC application:
I've included the CGridCtrl control in a dialog in order to let the user to edit data. It works fine but sometime when I open the dialog the cells content is not displayed but it's covered by the cell background color.
Unfortunately I can't solve the problem because it only happens randomly. I tried to call Invalidate() to both the CGridCtrl control and the dialog but it doesn't solve.
Any help would be greatly appreciated.
Thanks in advance.
Gianni
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Normally we would tell you to post this question in the forum at the bottom of the article: MFC Grid control 2.27[^], but I think it is ok for you to post it here as well.
Although Chris is around all the time, he is obviously very busy so there is no guarantee he is able to answer your question.
It is a very old project by now (it is article #8 here on CodeProject!), but I see that Chris did update it not too long ago. In your explanation of the problem, you need to include which version of Windows you are running it on an make sure to mention whether it is 32 or 64 bits.
Soren Madsen
"When you don't know what you're doing it's best to do it quickly" - Jase #DuckDynasty
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Hi,
I have a C++ program with MFC.
I utilize the OnPrint() mechanism to print a Cstring line by line with pDC->TextOut().
That is working the first time I print.
If I repeat the print job, the page is blank.
I don't understand why.
Here is a portion of OnPrint():
CString resToken;
I print the Cstring one line at a time.
pDC->(TextOut(pt.x, pt.y + j * m_nHautLigne, resToken);
Does it have a better way to do the printing?
Why the page is blank the second time?
Do I have to reset something?
Thanks,
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From things you've said, I think you're talking about printing on paper instead of a screen.
There is indeed a process to follow when doing so, it involves telling the print sub-system that you've printed a page and wish to print another in the same print-job.
If indeed producing a hard-copy output is your aim, you may find the following of some use: Answer --> I want to print an image from a class library project without any gui.[^]
You can and should enumerate the available printers in your system and allow the user to choose from them. In this example, I've simply used the printer's name, as seen in Control Panel\Hardware and Sound\Devices and Printers in Win7.
"When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school, they asked me what I wanted to be when I grew up. I wrote down 'happy'. They told me I didn't understand the assignment, and I told them they didn't understand life." - John Lennon
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Gagnon Claude wrote:
pDC->(TextOut(pt.x, pt.y + j * m_nHautLigne, resToken);
That does not really tell us anything useful. You need to show where in your code you check for end of page, and exactly what index values you start with on the second page.
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Hi All,
I can see that exe files have file info including company name, version, ... How do I add the same information to a text file?
Thanks,
Henry
henryh
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No way except writing that in the file itself. That informations are put in specific fields of the file with a well defined format that Windows understand and show you as field in its Property Dialog.
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Thanks. I have a hex record file and now I have to open the file, go through the translation, just to see what version of the file!! Any suggestion is appreciated.
Thanks,
Henry
henryh
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I check the link and it mainly deals with file attributes.
Thanks,
Henry
henryh
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Hi,
Fairly certain that he is referring to the 'File Property' dialog box displayed by explorer.
Best Wishes,
-David Delaune
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I agree, but streams do offer a potential solution, depending on what the 'real' requirements are.
BTW, haven't seen you about recently; trust you are OK.
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Hi Guys,
Thanks for the information. The information I want to attach to a file are details as in the following:
File description:
Type:
File version:
Product name:
...
As I have a hex record file (text format), I want to know what File version so I can decide to use it or not, says for programming a device.
I can use FileVersionInfo to read these info, but I don't know to set them to a text file. I guess the text file does not have these properties.
Thanks,
Henry
henryh
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If the file content is hex records (whatever that means) then it is not text. Why not just add the information as a header record at the beginning of the file?
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To my knowledge, text files do not meta data, which is where you would store things like company name, author, version, etc. For text files, the file system keeps track of simple things like date, time, and attributes.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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Hi,
I print a CString with pDC->TextOut().
That is working.
But if I print again, the sheet is blank.
How to correct that?
Do I have to utilize GetBuffer(), etc?
Thanks,
Claude
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Just a guess, could you be overwriting the first print? Do you have a new line character (or carraige return and line feed) at the end?
"the debugger doesn't tell me anything because this code compiles just fine" - random QA comment
"Facebook is where you tell lies to your friends. Twitter is where you tell the truth to strangers." - chriselst
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Hi,
Your not really 'printing' but rather painting text using GDI if your utilizing the TextOut function[^].
Sounds like the wm_erasebkgnd handler (or conversely WM_PAINT if you are painting in the erase handler)is overwriting what you painted. You should share some code.
Also recommend reading all of this:
Painting and Drawing[^]
Best Wishes,
-David Delaune
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We are storing a list of student info, (id number, First name and Last name) using a link list. The ID is the key field. Your program should implement a linked list using arrays. Your program should process the following operations.
1) Add an item to the linked list
ex. 1 254 John Smith
2) Print the linked list in logical order
ex. 2
3) Print the physical order of the linked list including list, avail and next.
ex. 3
4) Print a count of how many items are in the linked list.
ex. 4
Bonus (you must get 1-4 working before attempting 5)
5) Delete an item from the linked list
ex. 5 254
I started it off as so
#include<iostream>
using namespace std;
struct studenttype
modified 5-Dec-14 3:28am.
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Member 11287228 wrote: Your program
That means you are expected to write it.
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Quote: I started it off as so
#include<iostream>
using namespace std;
struct studenttype
Well, it looks promising.
THESE PEOPLE REALLY BOTHER ME!! How can they know what you should do without knowing what you want done?!?!
-- C++ FQA Lite
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Hi,
I "inherited" an legacy app written some 12 years ago, not being C++ developer since university.
I have MS Visual Studio 2010 project out of it, all builds OK. All even runs OK on Windows XP 32 bit(where it's built),
but when trying it on Windows 2008 server 64bit, it throws "Encountered an improper argument".
More specifically, it's super simple app that displays 2 password fields (second for confirmation), and button for storing generated file on file system (so Save as... dialog). And error shows up when clicking on this button/trying to open Save dialog).
When run in debug mode, in same action, it throws Assertion error, pointing to dlgfile.cpp in MFC libs, line 479.
The executable is generated with VS settings Multi-threaded Debug DLL as runtime library, and "Use MFC as shared DLL"
I would presume that some .dll provided is incorrect version from rest/expected by code, but I have no clue how to find it.
Any help on how to fix this is strongly welcomed!
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