Persisting objects in an application..

[matthewking]

Hi,

I have a CommsManager object in my application which manages network communications, I want to create a new instance of this when the application starts, then persist the object so I can access its methods anywhere in the application..

I think this is kind of like how a session in asp.net works, so I can do something like this:

CommsManager comms = Session["CommsManager"];
comms.DoSomething();

Please note, this is for an win32 app, not a web app. Session is just the closest thing I know to it.

Any help?

Thanks
Matt.

 

[seanbo]

you need to instance CommsManager globaly (ie, within the namespace and class, but not within anything else. somewhere above the constructor).

CommsManager myComMan;

then you need to initialise it within the constructor.

myCommMan = new CommsManager();


this way of making an object is somehting you will do time and again. an object may be accessed from anywhere within the {} style braces in which it was declared. it must then (as a rule) be initialised from anywhere within it's scope before you can do anything else with it. the construcotr is the most common place to do this.

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[BoulderBum]

You can have an object persist in memory by declaring it &quot;static&quot;.

Additionally, you can call an object's methods without even instantiating an object by making its methods static.