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From the title of the question (even though you don't mention it in the question itself) shouldn't the codepage be CP_UTF8?
Cheers,
Ash
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Exactly. I was about to update that to my own reply and found your reply.
thank you.
here was the line i was about to post.
MultiByteToWideChar(CP_UTF8, 0, str, len, tstr, len);
But in the alert i get extra chars. IF it is a multi line text box notting appears.
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Are you sure you're providing the correct length parameters? It looks like you're saying convert len bytes which won't include the terminating '\0' which means the UTF-16 output won't be zero terminated either.
Just out of interest I wouldn't bother using TCHAR. You use TCHAR when you want two builds of your app, one that's wide character and one that's multibyte. As you're essentially writing a wide character app and explicitly converting to UTF-8 you might as well use wchat_t. If you compiled your code without UNICODE and _UNICODE it would get a bit confused.
Cheers,
Ash
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For now my app is totally unicode. So i have converted all to unicode.
I still have to figure out all the data types. still TCHAR and wchar_t ???
Finally my program was working well. and... what is it with '\0'; how to terminate an unicode string?
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anyway the code is finally working as expected. i will analyse your response. thank you.
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I am writing to a USB device using the WriteFile() API in synchrounos mode but it returns 0x05
error code which means that access is denied.This error occur on Windows 7 though i am an administrator.
The following is the code i am working with it.
CreateFile() successfully create a file.
then I check via DeviceIoControl()that disk is write able , it return true.
and after that when i write via WriteFile() , the api fails and return.
Any help would be appreciated.
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You should show the exact code if you want help. Maybe there is a problem in your WriteFile call that we could see that you're overlooking.
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Member 3903154 wrote: I check via DeviceIoControl()that disk is write able , it return true
that doesn't make much sense to me, for a couple of reasons.
1. The disk being writable does not imply you will be able to write the specific file.
2. If CreateFile succeeded, it already was able to modify the directory.
3. And anyways, DeviceIoControl returns true whenever it succeeds at executing what you ordered, so it returning true may or may not indicate the disk is writable.
As Richard suggested, show more of the code.
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Does anyone know to quickly make a multiple search & replace app (in either C or C++)? Am not interested in searching multiple files, just one file. I want to translate a list of unicode characters into something else (pair-value lookup table) ... so it's basically a crude/naive translator!
I just need a quick pseudocode to get me started. Or maybe there's an opensource/free code already written?
PS: Or maybe it's easier quicker with sed/awk/perl?
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Look like a FAQ question for any programming language. While this needs some C/C++ copy and paste skills, it's a Perl/Python/Lua/sed/awk three liner with regular expression. There is probably a very elegant monad transformer in Haskell too (that nobody understands).
What have you tried so far?
/M
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I would use awk (just because I know a bit it). Go with Lua (check out the LPeg[^] library) to experience real power.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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I was hoping you give a Haskell example.
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Sorry man, I don't know Haskell.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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How to Get CMenu Rect?
CRect rectMenu;
::GetWindowRect((HWND)?, rectMenu);
if so, how to get HWND of CMenu.
I want to ClipCursor(), limit the range of cursor movement within the Rect of PopupMenu.
to do this, first I have to get the shown rect of my CMenu(from rightbutton contextmenu).
modified on Tuesday, August 10, 2010 9:39 AM
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CMenu has no HWND.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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then...
How to Get CMenu Rect?
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For what purpose? Explain what you are trying to do. Knowing that, someone may be able to explain a better approach.
"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
"Man who follows car will be exhausted." - Confucius
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I want to ClipCursor(), limit the range of cursor movement within the Rect of PopupMenu.
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Really? What if the user did not want to make a selection? How would they dismiss the popup menu?
"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
"Man who follows car will be exhausted." - Confucius
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That might work (in theory) but it goes against the expected UI behavior of Windows.
"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
"Man who follows car will be exhausted." - Confucius
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dancingfish wrote: want to ClipCursor(), limit the range of cursor movement within the Rect of PopupMenu.
It's already limited; if the use clicks outside the popup then the menu is cancelled. Perhaps you need to provide more information on exactly what you are trying to achieve.
It's time for a new signature.
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You could create an instance of CMFCPopupMenu,
it has a window handle...
virtual void BeHappy() = 0;
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My project is in WTL. no MFC. there is no CMFCPopupMenu.
m_pPopupMenu = new CMenu;
BOOL bMenuSucc = m_pPopupMenu->CreatePopupMenu();
I just want the rect of CMenu.
there is no right answer for my question...
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Hey guys,
I have implemented a project and in some part of it i create log files (.txt). As one can guess, I put the newest record at the end of the file with SeekToEnd(). But if there is a way to write the new data at the beginning of the file -NOT OVERWRITING THE OLDER- ?
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