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we implement all methods from the interface, then why should interface required ?
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My suggestion would be to get a good book of Object oriented concepts and programming and read it first.
This will answer your all questions.
One of many benefits of interface is that it allows us to implement multiple inheritance
You can find more about interface, if you read about it in book or search on Google to read online tutorials.
-Ajay.
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www.componentone.com
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Ajay K. Singh wrote: One of many benefits of interface is that it allows us to implement multiple inheritance
This is not correct.
C# doesn't support multiple inheritance (MH).
A class doens't inherit the behaviour of the interfance, because an interface doesn't have an implementation.
A class can Implement the methods declared in an interface. It is allowed to implement multiple interfaces. But that is NOT inheritance. It simulates MH it at the cost of re-implementation of every method that is declared.
Learn from the mistakes of others, you may not live long enough to make them all yourself.
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I agree that Interface simulates the multiple inheritance behavior. 
-Ajay.
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www.componentone.com
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Ajay K. Singh wrote: I agree that Interface simulates the multiple inheritance behavior
What behaviour? interfaces have no behaviour because they have no implementation.
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The interface is like a contract. If a class implements an interface, you know that it fulfills the contract. Then you can also use the object in the form of the interface instead of the form of the class.
This is very useful with classes that implement the same interface. For example, both a string array and a List<string> implement the IEnumerable<string> interface. You can make a method that takes an IEnumerable<string> as parameter, and you can send either a string array or a List<string> to the method, so that the method can loop through the collection without caring about what the collection really is.
Despite everything, the person most likely to be fooling you next is yourself.
modified on Wednesday, June 11, 2008 8:11 AM
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Hi,
In overriding the method why method name should be same ?
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Hi,
See here[^], I think it will help.
Regards,
The only programmers that are better that C programmers are those who code in 1's and 0's ![Green Alien | [Alien]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/alien.gif)
Programm3r
My Blog: ^_^
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Hi,
Is it possible to convert exe to dll or dll to exe. If possible then what is the procedure ? If exe is coverted to dll then what about main function which is in exe ?
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Do you want to convert your refrigerator to a cupboard? If so, what will you do with it's compressor?
*jaans
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The question is perfectly valid, although Namrata could have tried it out for herself. You can change the output type to DLL and it will build a DLL just fine.
Cheers,
Vikram.
The hands that help are holier than the lips that pray.
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Most exe can simply be renamed to dll, the opposite is not true. In the former case, your entry point (Main) will simply not be called. To achieve the same behavior, just call the Main function yourself from another dll/exe.
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Hi,
I am using "ActiveDs" to assign rights to a shared folder
Code:
ADsSecurityUtilityClass objClass = new ADsSecurityUtilityClass();
string strSharedFolderName = "\\\\" +strMchnName +"\\" +strName;
Object obj = objClass.GetSecurityDescriptor(strSharedFolderName,(int)ADS_PATHTYPE_ENUM.ADS_PATH_FILESHARE,(int)ADS_SD_FORMAT_ENUM.ADS_SD_FORMAT_IID);
The last line is giving "Unspecified Error"
Can someone help please???? 
DDeepali
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this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer,true);
I used the above code Flickering is not completely removed, still it’s slightly flickering. Is there any way to remove complete flickering of Waveform?
Whenever the form is resized or the horizontal scrollbar is moved, the waveform starts flickering... Please do help me...
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You are probably trying to paint too much, try paint less when you scroll, and do a full repaint when u stop.
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i have data table contains more than 90 column and i want easy and effective way to make the user easly handle it (read & write)
welcome for any suggestions
regards
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Try to divide this table into sub-tables and establish relations between them (follow Normalization process).
After this you may use any grid control to show tables with parent child relationship.
This will be showing data in hierarchical representation, and make it very easy for users to look at it and modify it.
-Ajay.
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www.componentone.com
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how can Extract Link embedded file from word file using Application object.using C# coding.
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Hello everyone,
Suppose I am using append mode to write to a file using StreamWriter. My application is a long run Windows service. I get the handle of StreamWriter only once during the start of my application by using StreamWriter abc = new StreamWriter (...). I never close the handle abc until application stops, and will use the handle to perform write operations in the runtime of the application.
I only write to the file rarely, for example, there may be no write operation for 2 days or something.
My question is, if I obtain the handle of the StreamWriter too long without any write operations (for example, 2 days or longer), will the handle (or the underlying file) be closed by some parties (e.g. CLR, OS, etc.) -- like timeout of socket?
thanks in advance,
George
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i think Garbage Collector will destroy the object.
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Hi Nouman,
Sorry I made a mistake in my original reply, the abc is a static member of my class. Will it be GCed? 
Any updates to my original question?
regards,
George
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No, it will not be garbage collected as long as you have a reference to it.
Despite everything, the person most likely to be fooling you next is yourself.
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