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SerialPort.DataReceived and SerialPort.PinChanged events.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rick Cook www.troschuetz.de
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I want to edit the picture on the picture box imamge and want to save it...... How can I do this???????????? Can anyone tell me????
One thing more I also want to draw another image on that picture boc image...........
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There seems to be a constant stream of people who mistake a picture box for an image editor. If you want to do this, you need to write your own code to do it, and you won't want to use a picture box to do it.
Christian Graus - C++ MVP
'Why don't we jump on a fad that hasn't already been widely discredited ?' - Dilbert
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U want 2 say If I want to edit picture I should draw the image instaed of using picturebox...... AM I right .... Okay then can u tell me how can I edit on run time on the image already drawn ...... Any help or article over it...... I have seen ur articles abt image processing they helped me in processing the image but I cant edit them or draw another image on it.........
THANX in advance
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Dear All ..
How are you all
iam a new in programming and i need help in how can i start Visual C# (C#) how can i start from a to z
plz any one can help me
thx all
best regard
Abd el rahman zidan
zidan
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What about trying to take a course or something
that would help
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I think the OP needs to take the next step and do his own homework in the course he's signed up for.
--
Rules of thumb should not be taken for the whole hand.
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I would recommend getting yourself to a good bookshop and seeing what books they have on C#. I have Microsoft's 'Visual C# 2005, Step by Step , Microsoft Press 2006 (isbn-10: 0-7356-2129-2, isbn-13: 978-0-7356-2129-9) and found it very helpful, unlike C# 2005 For Dummies, Wiley Publishing, 2006, it's CRAP!
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There are plenty of books. You will also need to determine which way you want to go: Winforms or WebForms.
I recommend Wrox beginner books. Pretty well laid out.
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zidan911 wrote: from a to z
(char)65
...
(char)90
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at least give him a for loop. Don't make him do each line item.
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Buy a book. There is no easier way.
Christian Graus - C++ MVP
'Why don't we jump on a fad that hasn't already been widely discredited ?' - Dilbert
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Get a job where you are required to program in it, that's how I am, ummm, learning. Of course, buy book 3 days before with a trial visual studio version included and try out a couple of examples first
ok, so I'm not being useful, sorry.
Actually, when I was looking for books, they all seemed to be entirely about GUI stuff, or entirely NOT about GUI stuff, there wasn't really anything that seemed to talk about both. This was from a limited selection though. Plus, the books that talked about the basics were WAY too simplistic. Yes, I wanted to know the basics, but I didn't want to spend a whole chapter on each item. I got it after the first paragraph, thanks. But the harder books didn't include any basics so I had no idea what they were talking about.
Of course, if you are new IN PROGRAMMING rather than just new to C#, maybe you won't have that last problem; maybe the basics will require more than a paragraph to get.
Get a book, try some stuff from it and work through it. Then try and do something harder, and you will soon discover what you don't know and the real learning will start as you try to find the answer.
"Your typical day is full of moments where you ask for a cup of coffee and someone hands you a bag of nails." - Scott Adams
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Currently I have a datarow that I need to itterate through, of which I have decided to use a foreach loop to retrieve my values. The trick is, I need to get the next row of values from the current row.
Any help would be appreciatied.
Thanks
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int numRows = myDataTable.Rows.Count;
for(int i=0; i<numRows-1;i++)
{
DataRow currentRow = myDataTable.Rows[i];
DataRow nextRow = myDataTable.Rows[i+1];
}
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Had it working that way, just curious if there was a way to do it with the foreach loop.
Thanks
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avanwieren wrote: just curious if there was a way to do it with the foreach loop.
Yes, but it is more complex
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how about:
foreach (DataRow row in myDataTable.Rows) {...}
Luc Pattyn
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Luc Pattyn wrote: foreach (DataRow row in myDataTable.Rows) {...}
No, because he wants to access the current row and NEXT row as the same time.
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Three ways to have access at two rows at once:
DataRow previousRow=null;
foreach (DataRow row in myDataTable.Rows) {
previousRow=row;
}
or (problem here is to get an appropriate dummy data row outside the data set)
DataRow previousRow=aDummyDataRow;
foreach (DataRow row in myDataTable.Rows) {
previousRow=row;
}
or (only when DataSet extended with a dummy head row):
DataRow previousRow=null;
foreach (DataRow row in myDataTable.Rows) {
if (previousRow!=null) {
}
previousRow=row;
}
Luc Pattyn
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True, but all of these require slightly more complex logic that the simple for(int i=0....) style that I gave here[^]. I'd rather have something that had simpler logic and was easier to read and understand.
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Colin Angus Mackay wrote: I'd rather have something that had simpler logic and was easier to read and understand.
I agree completely, I tried to give a solution to the foreach question anyway.
Luc Pattyn
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Hello All,
I was just wondering if anyone knew how to disable the sorting on data grid columns. I don't want my end users to click the column headers and sort the data. Is there a proerty to set? Any help would be greatly appreciated.
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Set the SortMode property to DataGridViewColumnSortMode.NotSortable.
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Thanks but where is this sort mode propery? I can't find on datagridview control.
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