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The sender object that is sent as one of the arguments of the event is a reference to the object throwing the event.
so you only have to cast the sender object and set the background color. Like this:
<br />
private void myControl_Enter(object sender, System.EventArgs e)<br />
{<br />
((myClass.MyControl)sender).BackColor = System.Drawing.Color.Green;<br />
<br />
}<br />
<br />
Gidon
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Thank you Gidon. You saved me lots of time.
Radgar
"Imagination is more important than knowledge." - Albert Einstein
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I want to know how can i obtain the login (username) of every account in the PC
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WMI is the answer. Go through MSDN for the details.
Live Life King Size
Alomgir Miah
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Thank you for your comment. 
You made somewhere a mistake in your SQL string. Maybe you added "'" to an integer data type or vice versa.
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what the idea of internet printing in C#
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What do you mean? Could you rephrase that into a question?
---
b { font-weight: normal; }
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Hi all,
Corresponding .cs file is not added when I add a Crytal Report file in Solution Explorer VS.Net2003. And therefore I am unable to use Strong-Typed report object in my C# code.
I have added the References
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Windows.Forms;
and I selected 'Show All Files' in Solution Explorer.
There is no error in compiling the project. So why the corresponding .cs file of the .rpt file is not added in my Solution Explorer?
Please help.
Arif.
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Hello.
I have an RLE image file which i load to a buffer using a function and then decode to 8Bit BMP.
The function return Pointer to the buffer with the BMP .
1) can i use the buffer directly using the pointer - if so how?
2) the buffer i get has no BMP header i need to add one myself - is it possible (it only contains the data.
CRleImageClass myRLE = new CRleImageClass();<br />
myRLE.Load(@"E:\1.rle",2048);<br />
<br />
System.IntPtr mp ;<br />
mp = myRLE.Decode8Bit();<br />
3) Do i have to save the file as BMP before starting any manupulation on it?
i know it's a lot of questions - sorry
thanks
liq
Have a nice Day
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Hi people
I have a class with a few fields an an arraylist of strings. i have set the datasource of a datagrid to this class (say A). Everything works fine, although what I want is that the arraylist of the class A could map to a combo box in the datagrid, so the user can select one value from the arraylist and that value gets set. can anyone please point me into the right direction. any help would be appreciated
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I have a class that contains about 30 simple data types (int, byte, string, enum's, etc...) that has to be synchronized on a per-instance basis. I was wondering if it's better to make each individual member variable volatile or to lock the entire instance (via "lock") every time a field needs to be accessed? What kind of performance hit does a "volatile" variable take, if any?
I'm in a basement somewhere, it's dark...
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IIRC, a volatile read/write creates a memory barrier, which forces all updates to the variable to happen before it is read or written into.
Locking the instance should be more of a performance hit, I guess, because one thread accessing any field will prevent any other thread from accessing any other field. The best thing is to profile and find it out, I guess.
Regards
Senthil
_____________________________
My Blog | My Articles | WinMacro
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Volatile will produce better performance, but it will behave differently. Adding a lock on the entire class will ensure that operations changing multiple fields will be consistent. Go with the lock unless you can show that you need a better performing option, and then you might want to look at a lockless operation, but coding those can be very tricky.
I can imagine the sinking feeling one would have after ordering my book,
only to find a laughably ridiculous theory with demented logic once the book arrives - Mark McCutcheon
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Hello,
Is there a way of making a specific cell in a DataGrid as ReadOnly? I really need the help on this one.
Thank you
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I already gave you an answer the first time you had this question. If this wasn't detailed enough than tell me what exactly you didn't understand.
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Hello People,
I have a problem with the ImageList class in C#.
I add the image list in my form with the resource editor.
When I edit the collection and add a new image (bmp), the comiler compiles correctly but I have a crash in the execution when the code looks like this:
this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
which is a line generated automatically.
Why this happens?
Thanks for the explanations 
There is no spoon.
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Hello,
I have a web service that returns a custom object, which has a property of type Guid. Somehow it seems that the Guid is not marshalled, because on the generated proxy (and in the XML) it never appears.
Any ideas? I thought about converting it to a string and putting it into another property, but I don't like that idea. Something else? some XML-related attribute?
Thanks!
-- LuisR
Luis Alonso Ramos
Intelectix - Chihuahua, Mexico
Not much here: My CP Blog!
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Hello everyone.
I'm trying to build an application that searches for specified few bytes and prints out their location (offset) within binary file.
Now, I use "while" loop to go through every offset location to check where the bytes are, and on large files it's naturally slow.
Is there any built in method in .NET that can do that for me? I've been using FileStream class and it looks like it doesn't have such functionality.
Thanks everyone in advance!
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You could use some string search func.
One way to fasten up your while loop is simply to check only for the first letter of the search string and if it's correct you'll check if the rest is
correct to.
This will fasten up your program A LOT!
And this I think you can't get faster with .Net...
This isn't hard to do in assembler, there it would get really fast...
Niklas Ulvinge aka IDK
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Heh... Didn't even think of the posibility to check for the first letter.
Thanks much!
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Happy to help
Niklas Ulvinge aka IDK
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Additionally, for even more speed, you might try this out as a little COM automation funtion written in C++. It is such an easy one to write, that it would be worth a try.
I did a routine to calculate hashes for files this way and it was significantly faster. I don't know how much of that was due to the IO speed vs. calculation speed. I would suspect since you wouldn't be doing too much calculation, you wouldn't get as much performance increase, but probably enough to justify doing it this way.
Matt Gerrans
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Hi,
Is there a way to perform a foreach loop on all the elements of an enumeration?
Thanks
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you can do:
enum MyEnum
{
One,
Two,
Three
}
foreach (MyEnum me in Enum.GetValues(typeof(MyEnum))
Console.WriteLine(me.ToString());
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Hello, I have created a Solution in C#.Net which consists of 3 separate
projects and numerous dependency files which are organized into
directories such as databases, images, usage files, etc. When the
program runs, it searchs for the various files it needs in each of
these directories. I am now working on creating an Installer project
for this Solution so that it may be simply installed on a user's
computer. I have added all of the necessary files to this
Installer/Set-up project and I see that it is possible to specify where
these files are installed onto a new computer but changing the "Folder"
property for each dependency to either "Application Folder", "User's
Desktop", or "User's Programs Menu". I would like to know how I can
specify that a dependency file be installed to a custom location such
as "Application Folder/images/". There must be some simple way to do
this that I am just missing. Any help would be much appreciated.
Thank you.
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