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Title: Add tabs to a WPF TabControl at runtime in C#

[Add tabs to a WPF TabControl at runtime in C#]

When you click the + button, this example uses the following code to add a tab to the WPF TabControl named tabMain.

// Add a tab to the TabControl. private void btnAdd_Click(object sender, RoutedEventArgs e) { TabItem tab_item = new TabItem(); tabMain.Items.Add(tab_item); Label label = new Label(); label.Content = "New Tab"; tab_item.Header = label; Label content = new Label(); content.Content = "This is the new tab's content"; tab_item.Content = content; }

First the code creates a TabItem and adds it to the WPF TabControl object's Items collection.

It then creates a Label and places it in the new TabItem object's Header property. Whatever you place in the Header is what appears at the top of the tab. This example uses a Label but you can place any single control here. For example, you could use a Grid and then place other controls inside the Grid.

Next the code makes a second Label and places it in the TabItem object's Content property. Again this must be a single control, although you can make it a container such as a Grid and then place as many controls as you like inside the Grid.

Download the example to experiment with it and to see additional details.

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