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02/19/2003 at 10:43AM PST, ID: 20520971
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7.4

Question on using delegate

Asked by mehtas in C# Programming Language

I am trying to use a delegate in an UI application where my main thread will be responsible for showing the progress bar of the upload being carried you in the background by the worker thread. I wanted to know if I can pass a delegate from one class to another as an argument in the constructor. I am trying to pass it as an argument in the constructor of another class and as expected it gives me an error that delegate is a keyword an identifier is expected. Can anyone please help me with this.

public delegate bool ProgressDelegate(string fileName, long size);

public Class1()
{
    ProgressDelegate progressDel = new ProgressDelegate(UploadProgress);
    Class2 class2 = new Class2(arg1, arg2, progressDel);
    ...
}

public static bool ProgressDelegate(string, long)
{
   ...
   ...
}




public class Class2
{
   public Class2(arg1, arg2, delegate progressDel)
   {
       ...
       ...
   }
   ...
   ...
}

If this is not the right way to do then how can I pass a delegate from one class to another. The reason I have to pass this delegate is, I am performing some activity (i.e. uploading) in Class2 and after I am uploading each part, I want to inform the Class1 about my progress so that it could be displayed in the progress bar.

Thanks..

Siddhartha Mehta
[+][-]02/19/03 12:46 PM, ID: 7983529

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[+][-]02/19/03 03:18 PM, ID: 7984296

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[+][-]02/19/03 03:21 PM, ID: 7984314

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[+][-]02/19/03 03:21 PM, ID: 7984315

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[+][-]02/20/03 01:03 AM, ID: 7986074

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About this solution

Zone: C# Programming Language
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Solution Provided By: AvonWyss
Participating Experts: 2
Solution Grade: B
 
 
[+][-]02/20/03 01:04 AM, ID: 7986078

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[+][-]02/20/03 11:36 AM, ID: 7988864

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[+][-]02/22/03 12:39 AM, ID: 7998059

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[+][-]01/23/04 07:21 AM, ID: 10184463

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