rasing custom event

[MC D]

I have an event that I am defining in one class, and I want to subscribe to
it in another. I have the delegate for the event in the top of my class:

public delegate void statsUpdatedHandler(object sender, EventArgs e);

I then have the event defined in the class as:

public static event statsUpdatedHandler statsUpdated;

I raise the event in a procedure in the same class. It looks like:

statsUpdated(this,EventArgs.Empty);

I subscribe to the event in my other class by saying:

etalkManager.stats.statsUpdated += new
etalkManager.statsUpdatedHandler(getLatestData);

When the event fires, I get an error saying "object reference not set to an
instance of an object.", and it refers to the line that raises the event in
the original class (statsUpdated(this,EventArgs.Empty);)

Thanks for any help!

[Chad Myers]

"MC D" <as***@earthtalk.com> wrote in message
news:ON****************@TK2MSFTNGP10.phx.gbl...

I have an event that I am defining in one class, and I want to subscribe to it in another. I have the delegate for the event in the top of my class:
public delegate void statsUpdatedHandler(object sender, EventArgs e);

I then have the event defined in the class as:

public static event statsUpdatedHandler statsUpdated;

I raise the event in a procedure in the same class. It looks like:

statsUpdated(this,EventArgs.Empty);

I subscribe to the event in my other class by saying:

etalkManager.stats.statsUpdated += new
etalkManager.statsUpdatedHandler(getLatestData);

When the event fires, I get an error saying "object reference not set to an instance of an object.", and it refers to the line that raises the event in the original class (statsUpdated(this,EventArgs.Empty);)

When calling events, you must make sure that it is not null
(no handlers attached).

You should always make a private or protected method names
something like:

protected void OnStatsUpdated()
{
if( statusUpdated != null )
{
statsUpdated(this, EventArgs.Empty);
}
}

-c

[MC D]

Thanks Chad. That did the trick! Didn't realize that was an issue.

-MC D
"Chad Myers" <cm****@N0.SP.4M.austin.rr.com> wrote in message
news:mq**********************@twister.austin.rr.co m...

"MC D" <as***@earthtalk.com> wrote in message
news:ON****************@TK2MSFTNGP10.phx.gbl...

I have an event that I am defining in one class, and I want to

subscribe to

it in another. I have the delegate for the event in the top of my

class:

public delegate void statsUpdatedHandler(object sender, EventArgs e);

I then have the event defined in the class as:

public static event statsUpdatedHandler statsUpdated;

I raise the event in a procedure in the same class. It looks like:

statsUpdated(this,EventArgs.Empty);

I subscribe to the event in my other class by saying:

etalkManager.stats.statsUpdated += new
etalkManager.statsUpdatedHandler(getLatestData);

When the event fires, I get an error saying "object reference not set

to an

instance of an object.", and it refers to the line that raises the

event in

the original class (statsUpdated(this,EventArgs.Empty);)

When calling events, you must make sure that it is not null
(no handlers attached).

You should always make a private or protected method names
something like:

protected void OnStatsUpdated()
{
if( statusUpdated != null )
{
statsUpdated(this, EventArgs.Empty);
}
}

-c