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What's the problem?
"Love people and use things, not love things and use people." - Unknown
"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch
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I want to update the CMap entry if it exist in the CMap.
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Dhiraj kumar Saini wrote: I want to update the CMap entry if it exist in the CMap.
You should consider hiring a software developer.
led mike
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Definitely.
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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Not when I'm drinking coffee!!
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
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You drink a lot of coffee!
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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Well, here is evening...Drugz?
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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Whatever it takes, man 
Mark Salsbery
Microsoft MVP - Visual C++
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Did you read the function documentation ? This is done by default:
First, the key is looked up. If the key is found, then the corresponding value is changed; otherwise a new key-value pair is created.
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Cedric Moonen wrote: Did you read the function documentation ?
Doubtful.
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Dhiraj kumar Saini wrote: Now what i want is that if the data with some key exist and u are having some new data for the same key then the original data should be replaced with trhe new data in the CMap
yes, that's how a map is supposed to work.
so what's your problem ? did you try anything before asking for help ?
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Hi masters!
-----------
I'm writing a system-wide keyboard hook. I've an EXE that calls a function
named "InstallHook()" from a DLL, passing it's current thread ID through it
(say dwThreadID) ...
Within DLL, I've a general variable named g_dwThreadID that will be equal to
dwThreadID (mentioned above) ...
The problem is:
----------------------
Although g_dwThreadID has a certain value within the DLL initializely,
but it will be equal to zero! I guss It's because the DLL is mapped to every
proccess in the system and then all variables, including g_dwThreadID gets
initialized ...
Now I'm looking for a way that I can share initialized g_dwThreadID among
all loaded instaneces of my DLL ...
Any help?
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See, for instance, here.
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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Thank you cPallini!
I wish I know programming as much as you ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
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Well, I actually used Google. 
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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Hello I need an help , is there any article in codeproject that could help me to write a program for detecting the edge of a black white bitmap and convert it to line ?
Thank
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Regards,
Sandip.
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Hi
I try to explain better the problem.
I have a black and white bitmap , and I found algorithm to detect the edge between the 2 color ( Sobel algorithms ). Now I have a list of pixel that describe the border ( edge ) of the image and I need an algorithm to approximate the list of point with a set of lines.
At the end I need an algorithm to convert a Bitmap file to a Plot file , or better I need to convert a Bitmap to a CAD/CAM path description of a cutter.
Thank
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What about CodeProject's article search engine
[^]?
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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Hi
I try to explain better the problem.
I have a black and white bitmap , and I found algorithm to detect the edge between the 2 color ( Sobel algorithms ). Now I have a list of pixel that describe the border ( edge ) of the image and I need an algorithm to approximate the list of point with a set of lines.
At the end I need an algorithm to convert a Bitmap file to a Plot file , or better I need to convert a Bitmap to a CAD/CAM path description of a cutter.
Thank you very much
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I have an issue when computing how long a Unicode string is when it is actually displayed on screen. For example, you might have a 30 character Thai string, but when it is actually displayed, some pairs of characters result in a single character on-screen, so the result might only 'look' like 20 characters. What seems to happen is that two characters sometimes result in a character with a 'mark' above it (like a European accent character).
Because of these potential pairs, logic I have that currently uses _tcslen goes out of the window. I tried experimenting with the GetCharacterPlacement API call but didn't get very far. The strings all display correctly, but I have to know the 'display length' when forcing a fixed number of characters-per-inch (don't ask!).
Is there a way to find this out?
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GetTextExtentPoint32
The GetTextExtentPoint32 function computes the width and height of the specified string of text.
BOOL GetTextExtentPoint32(
HDC hdc, // handle to device context
LPCTSTR lpString, // pointer to text string
int cbString, // number of characters in string
LPSIZE lpSize // pointer to structure for string size
);
There is sufficient light for those who desire to see, and there is sufficient darkness for those of a contrary disposition.
Blaise Pascal
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I know how to get the length in pixels - what I need is the count of characters that will be displayed... which might be different to the string length...
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Perhaps the ::GetTextExtentExPointI()[^] function is what you're looking for... 
"It's supposed to be hard, otherwise anybody could do it!" - selfquote
"High speed never compensates for wrong direction!" - unknown
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