Backgroundworker memory leak and the "using" statement

Question

We have a program (Form) which uses many backgroundworker threads in many occasions (we cannot reuse them).

We noticed that the memory of the program keeps growing and analyzing this with a memory profiler I've noticed that there are many backgroundworker objects.

I thought that if I use the "using" statement will do the trick and dispose the objects but it doesn't seem to work.

using (BackgroundWorker bgwConnectClient = new BackgroundWorker())
{
    bgwConnectClient.DoWork += new DoWorkEventHandler(bgwConnectClient_DoWork);
    bgwConnectClient.RunWorkerAsync();
}

Any idea??

Answer 1

You are having memory leak because your object is hooked to an event. you need to alter your code

BackgroundWorker bgwConnectClient = new BackgroundWorker();
bgwConnectClient.DoWork += new DoWorkEventHandler(bgwConnectClient_DoWork);
bgwConnectClient.RunWorkerAsync();

after you have completed the work and bgwConnect is no longer required

do this

bgwConnectClient.DoWork -= new DoWorkEventHandler(bgwConnectClient_DoWork);