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So, where would I install this?
The most knowledge doesn't mean the most wise...
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There is no "where". You run the installation for the .NET Framework version you're app is using (.NET 2.0 for C# 2005) and it installs itself. You don't get to specify "where" it installs.
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Hi, all...
I'm writing the Multy Dimentional Matrices by analogy with Matrices, which describe in book of Bjarne Stroustrup ("The C++ Programming Language: Standart 3")
I have class "ValueArray", which implements "valarray" (C++ analog), and "Slice", SliceArray, etc.
I already wrote two dimentional Matrix, but Multy Dimentional Matrix it's problem...
If you read Stroustrup, you saw that there were no implementation of this.
How realize this using "ValueArray" and "Slice" on C# or C++???
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cNoNim wrote: How realize this using "ValueArray" and "Slice" on C# or C++???
Do you have a budget?
My office is using this fantastic library:
http://centerspace.net/products.php?page=1[^]
It's so good that we can do real-time signal processing using .NET.
"If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual."
- Frank Herbert
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I am writing an application for CE 5.0 and I need to save (and recover) an array of structures to file. Serialization seemed to provide the solution, but it is not supported in the .NET Compact Framework. Can anyone suggest an easy way of doing this?
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I guess you need to define your own file format. I'd use XML, then it's easy to turn the data into a collection of objects that each represent one object to deserialise. I'd write methods in the object to write and read the XML, so you can compartmentalise it easily, your main write code just iterates over the objects and lets them write themselves, your read code, creates a collection of objects by calling the FromXML static method for each node set that represents an object.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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XMLSerialization is supported by .NET Compact Framework if it fits your needs
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I'm going to have to concur with Giorgi - XMLSerialization should do the trick. I'm using it on a .NETCF app and it's great. I just adorned my objects and their properties with the appropriate Xml attributes and the XMLSerializer does the rest.
"If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual."
- Frank Herbert
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Patrick Sears wrote: I just adorned my objects and their properties with the appropriate Xml attributes
Thanks, XMLSerialization is just what I need, but I don't understand the bit about attributes. Could you please provide more information, or tell me where I might find it?
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Sure!
The XmlSerializer by default will serialize an object's public properties and fields using the names in your object.
Say you have an object called Person, and it has a Name and a Gender.
public class Person
{
private string mName;
private string mGender;
public string Name
{
get;set;
}
public string Gender
{
get;set;
}
}
By default the XmlSerializer will create something that looks like this:
< Person>
<Name>Whatever</Name>
<Gender>Whatever</Gender>
</Person>
But you can adorn the object to change the way the object is serialized. For example, if you want it to be serialized as a "Human" and the Name and Gender properties to be XML attributes instead of XML elements:
[XmlType("Human")]
public class Person
{
private string mName;
private string mGender;
[XmlAttribute("Name")]
public string Name
{
get;set;
}
[XmlAttribute("Gender")]
public string Gender
{
get;set;
}
}
This will create XML that looks like this:
<Human Name="Whatever" Gender="Whatever" />
You can read more about the XmlSerializer and how to use it here:
http://msdn2.microsoft.com/en-us/library/system.xml.serialization.xmlserializer(vs.80).aspx[^]
and here:
http://msdn2.microsoft.com/en-us/library/ms950721.aspx[^]
"If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual."
- Frank Herbert
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All is now clear. Many thanks for your help
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Glad I could help
"If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual."
- Frank Herbert
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Backgroundworker is an easy way to open a different thread in an higher level implementation to make an isolated operation. Theading requires sometimes more control about states, semaphors...
Visit my blog at http://dotnetforeveryone.blogspot.com/
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Ultimately there is no difference as both will allocate a thread from the thread pool. The BackgroundWorker component is a "visual" component (something that can be dropped on to a form at design time) that was created to help simplify creating a multi-threaded application.
Using the background worker is not ideal for all situations and using it doesn't mean you shouldn't have an understanding of how threading behaves.
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I am very new to C#. I need to create a Windows form that will read a SQL table and populate a treeview. I can connect to the DB, create the dataadapter, populate a data set. The problem is how to use the dataset to populate a treeview.
I have looked at a few examples here but none use a dataset, or the data structure was different and I could not modify to work with my data or the examples were more than I needed and too complex for a beginner. Can some one suggest a URL, book or show me an example of code that simply takes the data as shown and populates a treeview.
I would really appreciate the help.
Thank you.
I have a SQL Server 2005 table containing this data shown below.
Child Parent depth Hierachy
1 NULL 0 01
2 1 1 01.02
5 2 2 01.02.05
6 2 2 01.02.06
3 1 1 01.03
7 3 2 01.03.07
11 7 3 01.03.07.11
14 11 4 01.03.07.11.14
12 7 3 01.03.07.12
13 7 3 01.03.07.13
8 3 2 01.03.08
9 3 2 01.03.09
4 1 1 01.04
10 4 2 01.04.10
15 NULL 0 15
15 15 1 15.15
16 15 1 15.16
18 16 2 15.16.18
17 15 1 15.17
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I need to send various ps2 commands to my keyboard as part of my apps functionality.
Example from the PS2 spec:
0xF5 = disable kybd
0XF2 = Read ID
Some commands like the Read ID also require the ability to get the response.
I Googled for awhile so I turn here for some ideas.
Thanks,
JayHart
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PS2 as in Play Station? So your writing PS2 games using C#? Wow... I need to do some Googling! Good luck.
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Nope, not playstation,
the old cruudy keyboard you plug into your PC instead.
Jay
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I had a page fault
I have no experience using a keyboard for anything other than input.
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I don't believe you can send any output beyond the status of the num, scroll, and capslock keys to change the indicator lights. You'll need to read up on the hardware implementation to match what your device is expecting to see with what signals are generated when the states of those keys are altered on the PC.
--
If you view money as inherently evil, I view it as my duty to assist in making you more virtuous.
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Oh God...
SERIOUSLY, you need to pick up a book on C# for beginners. The questions you've asked go back to the frist day of any beginning programming class.
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Does sound like a set of questions you'd get near the beginning of a programming course...
My current favourite word is: Waffle
Cheese is still good though.
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Do I need to find J4amieC?
In case you didn't understand what Jamie said, you should STOP typing messages into forums and spend more time READING.
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