关于多线程传递参数调用方法

关于多线程传递参数调用方法

学习完多线程通信方法,界面再也不会卡死了,但是项目中有级联反应,需要传递参数调度线程。


一级级联:

private void Window_Loaded(object sender, RoutedEventArgs e)
{
    Thread thread = new Thread(new ThreadStart(GetProjectList));
    thread.IsBackground = true;
    thread.Start();
}
private void GetProjectList()
{
    //Raw data
    ProjectList = GetProject(); 
    //从主 UI 线程派生的后台线程不能更新的内容 Button UI 线程上创建。 为了使后台线程访问的内容属性的 Button, ,后台线程必须将工作委托给 Dispatcher 与 UI 线程关联
    Action action = () => { cbProject.ItemsSource = ProjectList; cbProject.SelectedIndex = 0; };
    if (System.Threading.Thread.CurrentThread != cbProject.Dispatcher.Thread)
    { 
	cbProject.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Normal, action); 
    }
    else
    { 
	action(); 
    }
}

 
  

二级级联:

private void cbProject_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
    string Project = cbProject.SelectedValue.ToString();
    if(string.IsNullOrEmpty(Project) || Project.Equals("Project"))
    {
        return;
    }
           
    Thread thread = new Thread(new ParameterizedThreadStart(GetWaferNoList));
    thread.IsBackground = true;
    thread.Start(Project);
}

 (参数类型需要object)

 private void GetWaferNoList(object strProj)
{
    WaferList=GetWaferList();
 
    Action action = () => { cbWaferNo.ItemsSource = WaferList; cbWaferNo.SelectedIndex = 0; cbWaferNo.IsEnabled = true; 
 				    lblWafer.Content = string.Empty; btnGenerate.IsEnabled = true; cbProject.IsEnabled = true; };
    if (System.Threading.Thread.CurrentThread != cbWaferNo.Dispatcher.Thread)
    {
         cbWaferNo.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Normal, action);
    }
    else
    {
         action();
    }
}




你可能感兴趣的:(C#)