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AnswerRe: why can't i start/stop separate threads inside of same block? Pin
Dave Kreskowiak20-Jan-06 6:25
mveDave Kreskowiak20-Jan-06 6:25 
private void PopComputerList()
{
    CallCompList = new MethodInvoker(CompList);
    de = new DirectoryEntry("LDAP://~.com");
    ds = new DirectorySearcher(de);
    ds.Filter = ("(~)");
    this.BeginInvoke(CallCompList);
}
private void PopEmpList()
{
    CallEmpList = new MethodInvoker(EmpList);
    de = new DirectoryEntry("LDAP://~.com");
    ds = new DirectorySearcher(de);
    ds.Filter = ("(~)");
    this.BeginInvoke(CallEmpList);
}

Look what you're doing here with the de and ds variables. You're using a class scoped de and ds variables. DON'T! Each thread should create and use it's own set of Directory objects scoped within the methods themselves.

What's happening is that when you launch your first thread, it sets up the de and ds variables to perform a search. While that setup and search is taking place, you launch another thread that, low and behold, reassigns new DirectorySearcher and DirectoryEntry objects to the very same de and ds variables you just setup in your previous thread. Global variables - bad idea...


RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome


-- modified at 12:26 Friday 20th January, 2006
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