private Thread th;
 
public void Reset()
{
    th = new Thread(LoadData);
    th.Start();
}
 
private void LoadData()
{
    m_DataSource = new oRRoSoft.Data.DataTable();
 
    // das ist das ding das mir die Progressbar weiterzählt
    DataTableActionUpdater dtau = new DataTableActionUpdater(m_Command, pb);
 
    dtau.Maximum = m_Command.Select.Count(m_SQLString);
    pb.Visible = true;
    txt_Value.Enabled = false;
    m_Command.FillIsRunning += new Data.Delegates.Command.FillIsRunningDelegate( _
      Command_FillIsRunning);
    m_Command.CreateDataTable(m_SQLString, m_lWherePI, ( _
    IDataTable)m_DataSource);
 
    pb.Visible = false;
    //dg.PrimaryKey = m_PrimaryKey;
    //dg.DataSource = m_DataSource;
    txt_Value.Enabled = true;
}

// statt der fettmarkierten zeile
Multithreading.SetBoolean d = new Multithreading.SetBoolean(txt_Value_Enabled);
this.Invoke(d, new object[] { false });
 
private void txt_Value_Enabled(bool value)
{
    txt_Value.Enabled = value;
}

new public string Text
{
    get { return base.Text; }
    set
    {
        SetText(value);
    }
}
private void SetText(string value)
{
    if (this.InvokeRequired)
    {
        Multithreading.SetString d = new Multithreading.SetString(SetText);
        this.Invoke(d, new object[] { value });
    }
    else
        base.Text = value;
}