Question

I am reading in an XML file and using it to populate a WPF Form. Each entry in the XML file is used to create a button and a label.

The problem I am having is associating the button with the label:

Here is my code:

// Loop through Backups
foreach (var back in backups)
{
    // Create Wrap Panel
    myWrapPanel = new WrapPanel();
    //myWrapPanel.Background = System.Windows.Media.Brushes.Red;
    myWrapPanel.Orientation = System.Windows.Controls.Orientation.Horizontal;
    myWrapPanel.Width = 600;
    myWrapPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
    myWrapPanel.VerticalAlignment = System.Windows.VerticalAlignment.Top;

    // **************************************
    // Add Controls to Wrap Panel
    // **************************************
    // Backup Source
    System.Windows.Controls.Button btnBackupSource = new System.Windows.Controls.Button();
    btnBackupSource.Content = "Source";
    btnBackupSource.Height = 25;
    btnBackupSource.Width = 75;
    btnBackupSource.Click += btnBackupSource_Click;
    btnBackupSource.Name = "btnBackupSource";
    myWrapPanel.Children.Add(btnBackupSource);

    System.Windows.Controls.Label lblBackupSource = new System.Windows.Controls.Label();
    lblBackupSource.Height = 25;
    lblBackupSource.Width = 461;
    lblBackupSource.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
    lblBackupSource.VerticalAlignment = System.Windows.VerticalAlignment.Top;
    lblBackupSource.Name = "lblBackupSource";
    lblBackupSource.Content = "";
    myWrapPanel.Children.Add(lblBackupSource);

The button and labels are created OK but I am struggling to associate them with each other. For example when a button is pressed the result needs to come up in the individual label which is associated with the button.

Any suggestions on how to proceed would be very welcome!

What I have currently got is each button updating a single label:

private void btnBackupSource_Click(object sender, RoutedEventArgs e)
    {
        SourceFolderBrowser = new System.Windows.Forms.FolderBrowserDialog();
        // Allow users to creating new folders and default to the my documents folder.
        SourceFolderBrowser.ShowNewFolderButton = true;
        SourceFolderBrowser.RootFolder = Environment.SpecialFolder.Personal;

        SourceFolderBrowser.ShowDialog();

        label2.Content = SourceFolderBrowser.SelectedPath;
    }

However what I am trying to do is get each button to update its associated label.

Answer 1

Here is my suggestion for you:

Store the label you want to associate with the button in the button’s Tag property like this:

btnBackupSource.Tag = lblBackupSource;

Later when you to do something in the wired up btnBackupSource_Click you can do it like this:

var button = sender as Button;
var label = button.Tag as Label;
label.Text = "Hello";