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?? ??? WPF?? ??????? ?? ??? ????? ???? ????? ????? UI? ?????? ???. ??? ? ??? ???? ?? UI? ???? ???? ????.

??? ????? ??? ???:

1. ????? ????? ????: ????? ??? ??? Dispatcher.Invoke? ???? UI ????? ???? ?????. ? ?? ??? ???? ?? ????? ?? UI ????? ??? ? ????.
2. UI ????? ???? ??: UI ???? ??? ????? UI ???? ??? ???? ?????. ??? ????? ?? ??? ???? UI? ???????.

?? ??:

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void startCalc(object sender, RoutedEventArgs e)
    {
        inputValues input = new inputValues();

        calcClass calculations = new calcClass();

        try
        {
            // Parse user inputs
        }
        catch
        {
            // Handle input errors
        }

        // Register event handler
        calculations.ProgressUpdate += OnProgressUpdate;

        // Start background calculations
        Thread calcthread = new Thread(
            new ParameterizedThreadStart(calculations.testMethod));
        calcthread.Start(input);
    }

    private void OnProgressUpdate(object sender, YourEventArgs args)
    {
        Dispatcher.Invoke((Action)delegate()
        {
            // Update UI based on event arguments
        });
    }
}

public class calcClass
{
    public event EventHandler<YourEventArgs> ProgressUpdate;

    public void testmethod(inputValues input)
    {
        for (int i = 0; i < 1000; i++)
        {
            // Perform calculations

            // Raise ProgressUpdate event when needed
            if (ProgressUpdate != null)
                ProgressUpdate(this, new YourEventArgs(status));

            Thread.Sleep(10);
        }
    }
}

??? ????? ??:

• ??? ???
• ??? ?? ?? UI ???? ??
• UI ??? ?UI ??? ???? ?? ??

? ??? ??? ????? ????? WPF UI? ???? ?????? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!