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I've noticed that when I rotate my images using matrices in C#, the image seems to be quite jagged around the borders. Is there a way to smoothen this out perhaps? I've been trying to look around on the site as well as googling (is that even a word  ) with little results: the best being a tutorial for an app in C++, which sadly, is not quite the language I'm looking for in .Net! Thanks in advance, much appreciated! 
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They are jagged because of the angle of rotation. If the C++ app uses GDI+, you should be able to translate the pertinent code.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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For a program I am making, I have text in front of a picture background. As a result, the text is sometimes hard to read when the colour of the picture approaches the text colour.
As a solution to this problem, I tried making the BackColor of the textBox white, then making it semi-transparent. I tried messing around with some System.Drawing.Color methods (R, B, A, etc.) but since I am not familiar with graphics, I could'nt get it to blend properly. How can I do this?
Thanks in advance.
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That Asian Guy wrote: As a solution to this problem, I tried making the BackColor of the textBox white, then making it semi-transparent. I tried messing around with some System.Drawing.Color methods (R, B, A, etc.) but since I am not familiar with graphics, I could'nt get it to blend properly. How can I do this?
You can't. You can only change the opacity of the entire form, not individual controls, or their backgrounds. Your alternative is to switch to .NET 3.0 or higher and use WPF to do this.
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Is it possible to build applications in C# for blackberrys? Actually my boss is looking for an application that can be put on a blackberry and go on a website and find out where that blackberry is (or just by the GPS number on the blackberry).
But anyways, this got me thinking about designing applications for cell phones since they are pretty much the future. Is this a C# thing or another language? I am interested in learning more about it but cannot find any books on building cell phone applications
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You can't write a C# app for a Blackberry. The Crackberries run their own O/S that isn't Windows Mobile or CE or whatever. Without Windows, you don't have the .NET Compact Framework, and hence, not able to run C# apps.
Google for Windows Mobile or Windows CE or .NET Compact Framework and you'll find plenty to read about.
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Alright, thank you!
- Jacob
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Hope some bright minds could figure and help me with this:
I'd like to use kadmin to change password on another linux server FROM a c# programming language on windows server. I wonder if there is some mechanism/setup for these two servers to talk to each others. Or is there something like LDAP for Active Directory?
Will never thank enough.
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Step 1) learn what LDAP is[^]
Step 2) look for a SSH library[^] (maybe on code project? hmmm...)
Step 3) If you know any *nix you should be able to take it from there
-Spacix
All your skynet questions[ ^] belong to solved
I dislike the black-and-white voting system on questions/answers. 
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Hi to all,
I am using .net 2.0 framework and I would like to port my c++Builder classes to C#. I need to know if in the .net 2.0 framework or upper versions there are native ( managed) function like :
CreateCaret, Destroycaret, SetCaretPos ShowCaret and HideCaret.
Of course I don't want to use the User32.dll via PInvoke.
Thanks to all
Joss
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JossGP wrote: Of course I don't want to use the User32.dll via PInvoke.
You can set the caret pos in a textbox, the rest, I don't think so.
native and managed are opposite to each other, although I understood what you meant.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Hi Christian,
I have just readed your suggestion some time ago, and when I searched in google I used this sentence : 'createcaret +C#':
As you probably just know, I didn't find anything that don't use the importing from user32.dll function.
What seem to me unbelievable is that in versions 2.0 and upper microsoft has not thought about to implement these functions.
That's why I post the question in this form. Just in case some one had found something accidentally or for necessity.
thanks in advance for your help
Joss
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I think the thing is, people using C# kind of expect to use p/invoke for this sort of stuff. It's not hard, or fragile, so MS has no incentive to add this stuff.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Today I looked at the contents of a Microsoft Document (*.doc) at school, and it seemed like it was encoded. This did not surprise me, since Microsoft would probably not want the file to be edited outside of the original application.
However, when I found myself a book on Microsoft Office, it stated that Word saved files in a "binary format". Does this "binary format" mean encoded text? Or is it another method of saving, since pictures can be saved as well.
If this method of saving is different from saving a regular text file(right now for example, to save the contents of a dataGridView I extract all the contents first, seperate them using dividers such as "~", and write the entire string to a text file, so my save file looks something like "cell1~cell2~cell3~cell4..."), how can I programmatically do this?
Thanks in advance.
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System.IO has Binary file access
Also the MS Office formats arn't 100% locked. MS has released classes to open/save/view office files. They also have classes to automate/control office applications from .NET much like a VBA does. You can even embed MS Word, Powerpoint, and Excel into your C# applications.
A quick google.com search shows most of the results without me posting them in here.
-Spacix
All your skynet questions[ ^] belong to solved
I dislike the black-and-white voting system on questions/answers. 
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The history behind office documents is that they are binary files for quick saving and reading.
Back in the old days when memory was at a premium and word documents were large(and are even larger now), it was quicker to append changes in some cases rather than re-write a whole file on saving.
Google or Wiki this area and you will find a more accurate rendition than I can give.
With regards to working out the layout of office documents - I think Microsoft may have made this informaton available as I heard that the documentation for Word is truly massive - so good luck 
Continuous effort - not strength or intelligence - is the key to unlocking our potential.(Winston Churchill)
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How can I write my own binary file? Is it more efficient than the method I mention in the post (with the dataGridView)?
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The binary Office files contain pointers within them so they are more akin to databases (from my limited guesswork).
Creating a binary file is neither here nor there - you will be the person who knows if you need to create a binary file.
You may find XML is a better format for saving data from a datagrid.
XML is a bit bloated but it is easy to read and with LINQ you can even query it directly.
If it is of any help to you in my 20 years of IT experience I have never come across any need to create, or access programatically, a binary file - that does not mean that you may not need to though.
As this is beyond my current knowledge I suggest you google and read up on binary files - then why not post an article on your findings.
Good luck.
Continuous effort - not strength or intelligence - is the key to unlocking our potential.(Winston Churchill)
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GuyThiebaut wrote: You may find XML is a better format for saving data from a datagrid.
I'll second that.
GuyThiebaut wrote: I have never come across any need to create, or access programatically, a binary file
I've had to support systems that do.
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PIEBALDconsult wrote: GuyThiebaut wrote:
I have never come across any need to create, or access programatically, a binary file
I've had to support systems that do. [Dead]
You have my condolences 
Continuous effort - not strength or intelligence - is the key to unlocking our potential.(Winston Churchill)
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To answer your questions:
1) In my other post I gave this answer (look up info about System.IO)
2) No, binary read/write in .NET hasn't been optimized by the MS crew as much as text files and XML files. The processing required to deserialize a binary file at times can lose the any speed advantage you'd gain.
Back in the day we has direct access to the system memory and could read/write it's contents to a file and .NET runs in a virtual machine where you don't have direct access to the system hardware. Otherwise your access to it is "managed" though the .NET virtual machine.
-Spacix
All your skynet questions[ ^] belong to solved
I dislike the black-and-white voting system on questions/answers.
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That Asian Guy wrote: a "binary format"
As in "one of an infinite variety of binary formats". Word uses one binary format, Excel uses another, etc. (and even that's simplified).
Even your example shows that simply saying "saving a regular text file" gives very little information on the format of the data: CSV, XML, and HTML are all "text files".
The difference between text and binary files (in essence) is that if I have a (one byte) numeric value 1 and store it in a text file, the actual value written out (after a ToString) is 49 (the ASCII code of the character '1'); but with a binary file I can write out the value 1 directly.
This can save space because saving the string "123" to a text file requires three bytes, whereas saving the numeric value 123 requires only one byte.
There are usually other differences as well, most notably the translation between NewLine and CarriageReturn/LineFeed, but those tend to be platform-specific.
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Alright I see, thanks people!
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