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ok thanks, i'll try this.
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Hi,
In all .NET languages one-dimensional arrays can be resized, see the Array.Resize() method in the documentation. "This method allocates a new array with the specified size, copies elements from the old array to the new one, and then replaces the old array with the new one."
When you need to resize an array several times, or if you just don't know what size to choose at the start, you are probably better off choosing another kind of collection. The old ArrayList still exists, but it is better to use a generic list (that's List<T> ) which provides type checking and better performance. These collections grow and shrink dynamically without copying their content [ADDED] all the time (in the current implementation they grow by rounding up their capacity to the next power of 2 and copying only then).[/ADDED]
Luc Pattyn [Forum Guidelines] [My Articles]
- before you ask a question here, search CodeProject, then Google
- the quality and detail of your question reflects on the effectiveness of the help you are likely to get
- use the code block button (PRE tags) to preserve formatting when showing multi-line code snippets
modified on Sunday, June 12, 2011 9:13 AM
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Actually List<t> does copy all its elements when it needs to grow.
Go to System.Collections.Generic.List<t>.set_Capacity(int value) in for example Red Gate's .NET Reflector..
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Right. I keep forgetting that. Back to the home-made linked lists then.
Luc Pattyn [Forum Guidelines] [My Articles]
- before you ask a question here, search CodeProject, then Google
- the quality and detail of your question reflects on the effectiveness of the help you are likely to get
- use the code block button (PRE tags) to preserve formatting when showing multi-line code snippets
modified on Sunday, June 12, 2011 9:13 AM
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i am developing a windows mobile C# application, how to save application settings? The user should be able to update these settings, but the settings want to be retrieved next time application starts. Do i need to use registry key? or xml config? any other good way to achevie this??
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Try and save the data to a path such as:
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
You can serialize your data in xml/binary format.
I prefer not to write to the registry, that is dirty.
Natza Mitzi
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i will be gratefull, if u can giv me some sample codes to refer to...
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Dear All, I am looking to change the date format of my computer same as changing it from control panel using c#.
any info please?
Abdul Rahaman Hamidy
Database Developer
Kabul, Afghanistan
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http://msdn.microsoft.com/en-us/library/zdtaw1bw.aspx[^]
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Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>
--------------------------------------------------------
128 bit encrypted signature, crack if you can
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the article does not change the date setting as control panel.the article only changes date format to string in run time. what i want is to change the date format as i am changing from control panel.
this means i want to change computer date format from c# application and it should affect control panel too.
Abdul Rahaman Hamidy
Database Developer
Kabul, Afghanistan
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There is 2 ways to change your system date time in .Net
1st by changing the culture of the running thread
CultureInfo culture = (CultureInfo)CultureInfo.CurrentCulture.Clone();
culture.DateTimeFormat.ShortDatePattern = "dd-MMM-yyyy";
culture.DateTimeFormat.LongTimePattern = "";
Thread.CurrentThread.CurrentCulture = culture;
2nd change the computer format
Structure SYSTEMTIME
Public wYear As Short
Public wMonth As Short
Public wDayOfWeek As Short
Public wDay As Short
Public wHour As Short
Public wMinute As Short
Public wSecond As Short
Public wMilliseconds As Short
End Structure
‘’’import the user32.dll (import the System.Runtime.InteropServices namespace):
'<DllImport("kernel32.dll", setLastError:=True)>
public shared function SetSystemTime(byref theDateTime as SYSTEMTIME) as Boolean
End Function
Dim newDateTime as SystemTime()newDateTime.wDay = valueHereif SetSystemTime(newDateTme) then 'cool, we set it successfullyend if
modified on Wednesday, November 18, 2009 5:32 AM
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HI,
I have customer class. i want to create the wrapper class fot this?
how to create wrapmper class for the customer?
What is wrapper class?
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Why would you want to add something, if you don't even know what the thing you want to add, actually is ?
Christian Graus
Driven to the arms of OSX by Vista.
Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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Hi guys,
I am trying to make my setup project which is installing my program, install also the db schema I am using. I am using these technologies; vs2008 (c#) and sql server 2005.
I have already built a setup project and is installing the project, but without the db schema. Anyone can help me how to accomplish this please?
Thanks
dejmjin
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You have to add a custom action to your installer.
Have a look here[^].
Calin
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Thanks Calin...I will try this solutions. Seems good for my problem
Thanks again!
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Hello,
I convert a pdf file to picture using Imagemagick and ghostscript,but the quality was blur, please help me to resolve this grat problem, thank you verry mutch.
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well, better ask this in their forum...
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Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>
--------------------------------------------------------
128 bit encrypted signature, crack if you can
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hi all
I have a BHO program which tracks visitors on websites
what is the best way to collect the data and send it to my database ? (cookies, AJAX, XML, other )
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The question you have asked is a never ending argument of which is the best analytics solutions. Cookies, server logs, your own custom mechanism etc. etc. You need to do the research on what exactly best suites your need among the techniques. I use Google analytics. Someone could counter argue about its approach, but the fact is, it suits my needs. Hope I made sense.
(I have replied to your post because you seem to be posting this question every now and then)
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Hello!
Do you know if it's possible to add to our solution ('solution explorer') whole directory with subdirectories that include necessary classes?
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You can add folders(and subfolders) to the Solution and also to the Project node. You should group your classes in the Project folder(sub folders)instead of the Solutions folder. Adding classes to the solution node won't make sense, as it would not be part of any assembly. I use the solutions folders to seperate out my code and test projects.
To add a folder, just right click on the node (Solution or Project) and in the "Add" menu there should be a New folder option.
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Dear All,
i am using these three controls.
1- List Box
2- List View
3- Checked List
i want to show two columns like name column and id column which control is best and which property i must change to get result.
and when i do bind these three controls then their is errors. Please tell me which control is best for my task and how these will bind with dataset.
Thanks
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