C#

Justin Perez wrote:

I have check to make sure none of my variables are Null, I don't know what the deal is.

Justin Perez wrote:

OnImportFile(this, new ImportFileEventArgs(fi.Length, i, fi[i].Name));

int length = fi.Length;
FIClassName currentFI = fi[i];
string fiName = currentFI.Name;
ImportFileEventArgs(length, i, fiName);

<br />
 class Program {<br />
        static void Main(string[] args) {<br />
            someClass obj = new someClass();<br />
            //Exception Here<br />
            obj.RaiseEvent();<br />
            obj.someEvent += new someClass.SomeEvent(EventHandler);<br />
            //No Exception<br />
            obj.RaiseEvent();<br />
        }<br />
        static void EventHandler(object sender, EventArgs e) {<br />
            <br />
        }<br />
    }<br />
    class someClass {<br />
        public delegate void SomeEvent(object sender, EventArgs args);<br />
<br />
        public  SomeEvent someEvent;<br />
<br />
        public void RaiseEvent() {<br />
            someEvent(this,new EventArgs());<br />
        }<br />
    }

<br />
public void RaiseEvent() {<br />
   if(someEvent!=null)<br />
     someEvent(this,new EventArgs());<br />
}<br />

<br />
    class someClass {<br />
        public delegate void SomeEvent(object sender, EventArgs args);<br />
         <br />
        public  SomeEvent someEvent;<br />
        someClass{<br />
              someEvent+=new SomeEvent(internalHandler);<br />
        }<br />
        private void internalHandler(object sender, EventArgs e) {}<br />
        public void RaiseEvent() {<br />
            someEvent(this,new EventArgs());<br />
        }<br />
    }

bearfx wrote:

Is anything actually assigned to handle the OnImportFile?

someObject.OnImportFile+= new OnImportFileEvent(someHandler);