C#

public void dataReadThread(){
    try{
        while(true){
            if(eventAbortRead.WaitOne(5,false))break;
            dataReceived = receiveData();
            if(dataReceived)eventProceedNext.Set();
        }
    }
    catch (...) {}
    eventReadThreadHasExited.Set();
}

private void processInstructionThread(){
    while(!stop){
        if(eventAbortProcess.WaitOne(5,false))break;
        stop = processLine();  //return true when the whole processing is done
        if(FLAG_WaitAnswer){
            WaitHandle[] wh = new WaitHandle[2] {eventProceedNext, eventAbortProcess}; //To avoid being blocked
            if(WaitHandle.WaitAny(wh) == 1) //i.e. abort
                break;
        }
        //do some work
    }
    eventProcessThreadHasExited();
}

protected override void OnClose(EventArgs e){
    this.eventAbortRead.Set();
    if( ! eventReadThreadHasFinished.WaitOne(5000, false) ){
         //display some error message
    }
    this.eventAbortProcess.Set();
    if( ! eventProcessThreadHasFinished.WaitOne(5000, false) ){
         //display some error message
    }
    //Has to be sure both threads ended before processing the remaining code
}

public string DirSearch(string sDir)
{
    try
    {
        string compareString = "";
        foreach ( string dir in Directory.GetDirectories(sDir))
        {
            foreach ( string file in Directory.GetFiles(dir))
            {
                compareString = file.Substring(file.LastIndexOf("\\"),(file.Length-file.LastIndexOf("\\")));
                if (globalFileName == compareString.Substring(1, (compareString.Length - 1)))
                {
                    /* File was found */
                    return file;
                }
            }
            DirSearch(dir);
        }
        return "";
    }
    catch (System.Exception excpt)
    {
        MessageBox.Show(excpt.Message,"Exception Occured",MessageBoxButtons.OK,MessageBoxIcon.Error);
        return "";
    }
}

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The only programmers that are better that C programmers are those who code in 1's and 0's

Programm3r
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