C# Discussion Boards - CodeProject

Re: How to access unmanaged function in c#

J4amieC23-Mar-06 4:00

23-Mar-06 4:00

I agree wholeheartidly, I responded because he seemed surprised that his answer was taken as incorrect without explaination as to the problem!

Notice i didnt chastise him for responding with what he thought was a good answer - that was somebody else!

crash dump files

Mridang Agarwalla23-Mar-06 0:07

Mridang Agarwalla

23-Mar-06 0:07

I've seen many applications that create a dump file when a crash occurs. The file can later be analysed by the developers to diagnose the reason for the crash. Is there a way I could create a crash dump from my application using a third pary library of a .NET class?

Re: crash dump files

Adiphe23-Mar-06 0:50

Adiphe

23-Mar-06 0:50

Hi,

i thing, in any .Net language you can create a "Tracing" class
to report all crash.
So you can use try{your code}catch{... get the error crash write and save it in a .log file} in C# or VB .Net.

best regard
Adiphe

"...all is simple, but there is always simpler ..."

-- modified at 6:53 Thursday 23rd March, 2006

Re: crash dump files

leppie23-Mar-06 2:21

leppie

23-Mar-06 2:21

Like the other reply said, tracing is normally ok, with an exception stack trace. If you want more, you can search for info on the SOS.dll for windbg that allows you to inspect crash dump files (not that I know how to create them, but im sure the docs will tell you).

xacc.ide-0.1.3.2

Create .wav file with C#

Adiphe22-Mar-06 23:53

Adiphe

22-Mar-06 23:53

Hi,

I want to create an audio file (.wav or .mid) with C#.
The sound quality played should be different according to some
values e.g. 3, 6 1 etc...
Please how can i do it?

best regard
Adiphe

"...all is simple, but there is always simpler ..."

Re: Create .wav file with C#

mav.northwind23-Mar-06 3:21

mav.northwind

23-Mar-06 3:21

Hi!
You might want to search the articles about wave audio here on CP, for example this article[^] explains the internal structure of a wave file.

If you store PCM data inside the wave file (what you usually do) then you'll see that sound quality values like "3, 6 1 etc..." don't make sense, you'll have to specify the sample rate, bits per sample and channels (for example, 8000Hz 8bit mono is low quality, 44100Hz 16bit stereo is CD quality).

Regards,
mav

--
Black holes are the places where god divided by 0...

ListView Question

JacquesDP22-Mar-06 23:07

JacquesDP

22-Mar-06 23:07

I have this listview that is populated using an arraylist, I have check boxes assigned to this listview, whenever the user selects a check box the index of the checked item must be returned and the item at that index within the arraylist must be removed.

My problem being the following. The actual item.checked can only be used when the itemcheck event has completed, so you can't do that within the event cause it hasn't occured yet.

Anyone any ideas?

Thanx in advance.

Re: ListView Question

Ahmad Mahmoud [candseeme]22-Mar-06 23:44

Ahmad Mahmoud [candseeme]

22-Mar-06 23:44

Hi
What then do you want !!

Ahmad Shaban

Re: ListView Question

JacquesDP22-Mar-06 23:48

JacquesDP

22-Mar-06 23:48

the index of the checked item must be returned and the item at that index within the arraylist must be removed.

Re: ListView Question

Ahmad Mahmoud [candseeme]23-Mar-06 0:40

Ahmad Mahmoud [candseeme]

23-Mar-06 0:40

Hi
single click your listview then hit F4 in your keyboard select "Events"
scroll down to ItemCheck Event and double click it then type

MessageBox.Show ( "The Index of the checked item is " + e.Index.ToString() +<br />
				"\n Its state was" + e.CurrentValue.ToString() + "\n and now its state is " <br />
				+ e.NewValue.ToString());

put some could so you can get help with the array

Ahmad Shaban

Re: ListView Question

JacquesDP23-Mar-06 19:00

JacquesDP

23-Mar-06 19:00

Thanks a Mill

Description gets truncated on server :confused:

Jax_qqq22-Mar-06 23:06

Jax_qqq

22-Mar-06 23:06

I m working on a c# and sql server based application...

I m fetching data from csv file and saving it's record One by one in to the database.
there is a column colled Description in my csv file as well as Sql server table.

In Sql i have given the data type "text" for the description column...

And it's working fine on my local machine but on server description gets truncated...

I have checked the csv file There is no comma in description

Everything is same StoredProcedure...DLLs...

I m not getting this... Confused | :confused:

If any one has any idea abt this pls help me out...

thanx & regards

Anuj Kamthan
Software Developer
Solversa Technologies,
Pune - 411007, India.
http://www.solversa.com

Re: Description gets truncated on server :confused:

albCode22-Mar-06 23:12

albCode

22-Mar-06 23:12

Try to change column type of Description from text to varchar(255)//varchar (increase by yourself)

_____________________

Proud to be Albanian
_____________________

Re: Description gets truncated on server :confused:

Jax_qqq23-Mar-06 1:01

Jax_qqq

23-Mar-06 1:01

Nop Body,

I have tried this also...

Same result working fine on local machine but not on server.

Anuj Kamthan
Software Developer
Solversa Technologies,
Pune - 411007, India.
http://www.solversa.com

Re: Description gets truncated on server :confused:

Guffa23-Mar-06 2:08

Guffa

23-Mar-06 2:08

How did you come to the conclusion that the data gets truncated? Did you check the data in the database, and if so, what program did you use?

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Insert Byte/int to TextBox

kobi10i1022-Mar-06 23:05

kobi10i10

22-Mar-06 23:05

Hi,

I have problam with convert.tostring(),
this function take alot of CPU power.

there is anather function or way to do this
action?

thank you
and have a nice Day!!:

Re: Insert Byte/int to TextBox

albCode22-Mar-06 23:15

albCode

22-Mar-06 23:15

if you try to convert byte to string try this:
Convert.ToString(your bytes)

or can you explain more your problem????

_____________________

Proud to be Albanian
_____________________

Re: Insert Byte/int to TextBox

kobi10i1022-Mar-06 23:21

kobi10i10

22-Mar-06 23:21

this is what I doing

---
byte Number;

convert.tostring(number);

Number++;

---

in thread

and the CPU Process is over working

Re: Insert Byte/int to TextBox

albCode22-Mar-06 23:33

albCode

22-Mar-06 23:33

if variable Number increase by one try to sign in for loop, example

string s="";
for(byte Number=0;Number<=15;Number++)
{
s=Convert.Tostring(Number);

}

_____________________

Proud to be Albanian
_____________________

Re: Insert Byte/int to TextBox

kobi10i1023-Mar-06 0:37

kobi10i10

23-Mar-06 0:37

Ok I try this

thank you

Re: Insert Byte/int to TextBox

Ahmad Mahmoud [candseeme]23-Mar-06 0:24

Ahmad Mahmoud [candseeme]

23-Mar-06 0:24

Hi
Try this

<br />
byte Number;<br />
<br />
Number.ToString();<br />
<br />
Number++;<br />

Ahmad Shaban

Re: Insert Byte/int to TextBox

kobi10i1023-Mar-06 0:38

kobi10i10

23-Mar-06 0:38

i try this way
and the problam not fix
but thank you anyway.

Re: Insert Byte/int to TextBox

Ahmad Mahmoud [candseeme]23-Mar-06 0:42

Ahmad Mahmoud [candseeme]

23-Mar-06 0:42

Hi
maybe you should check your loop

Ahmad Shaban

Re: Insert Byte/int to TextBox

albCode23-Mar-06 1:22

albCode

23-Mar-06 1:22

I recommand you to not use muc variables because your project grows and becomes big procces in CPU.

Check ur code and insetad variables use dirctly code.
Use as little bit number of vraiables as is possiblity.

_____________________

Proud to be Albanian
_____________________

Re: Insert Byte/int to TextBox

Guffa23-Mar-06 2:33

Guffa

23-Mar-06 2:33

You have to look for the code that causes the cpu load somewhere else in your program. Converting a byte to a string is a very simple task that will take mere microseconds to perform.

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