Here's how to create a TextBox in XAML and in code. // Add the TextBox to the visual tree. The resulting TextBox looks like this. The blue border indicates that the TextBox has focus. Is TextBox the right …

Feb 9, 2026 · The following example shows how to use Extensible Application Markup Language (XAML) to define a TextBox control that automatically expands to accommodate multiple lines of text.

The TextBox control is the most basic text-input control found in WPF and we'll tell you all about it in this chapter of the WPF tutorial.

This article discusses how to create a TextBox and set its various properties such as background and foreground colors, setting size and positions, fonts, wrapping, scrolling, and input validations.

Jan 16, 2026 · In this blog, we’ll explore two reusable, code-behind-free solutions to bind TextBox on Enter key press using XAML: Behaviors (via Microsoft.Xaml.Behaviors.Wpf for WPF or Behaviors for …

The XAML <TextBox> element represents the TextBox control in UI. The code samples in this article show how to use XAML TextBox element to create a TextBox control in WPF and C#.

It comes with a familiar, built-in context menu with support for copying and pasting text. A "clear all" button lets a user quickly delete all text that has been entered. It also has spell checking capabilities …

Dec 24, 2024 · From the Toolbox panel, drag a TextBox control to the designer window. Now, in the XAML markup, changed the Text attribute to be an empty string. The Text property indicates the …

Build productive WinUI TextBox experiences with flyout support, keyboard handlers, and validation tips for multiline and single-line text entry.

To achieve this, we will // call SetText with the old text.