Use a TextBox with these settings instead to make it read only and to look like a TextBlock control. <TextBox Background=”Transparent” BorderThickness=”0″ Text=”{Binding Text, Mode=OneWay}” IsReadOnly=”True” TextWrapping=”Wrap” />
We have it so the first click selects all, and another click goes to cursor (our application is designed for use on tablets with pens). You might find it useful. public class ClickSelectTextBox : TextBox { public ClickSelectTextBox() { AddHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(SelectivelyIgnoreMouseButton), true); AddHandler(GotKeyboardFocusEvent, new RoutedEventHandler(SelectAllText), true); AddHandler(MouseDoubleClickEvent, new RoutedEventHandler(SelectAllText), true); } private static void … Read more
You can create a watermark that can be added to any TextBox with an Attached Property. Here is the source for the Attached Property: using System; using System.Collections.Generic; using System.ComponentModel; using System.Windows; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Documents; /// <summary> /// Class that provides the Watermark attached property /// </summary> public static class WatermarkService { … Read more
At regular intervals, I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. If you use TextBox.AppendText(string text), it will automatically scroll to the end of the newly appended text. It avoids the flickering scrollbar … Read more
Add a preview text input event. Like so: <TextBox PreviewTextInput=”PreviewTextInput” />. Then inside that set the e.Handled if the text isn’t allowed. e.Handled = !IsTextAllowed(e.Text); I use a simple regex in IsTextAllowed method to see if I should allow what they’ve typed. In my case I only want to allow numbers, dots and dashes. private … Read more
Do this. If your element is something like this.. <input type=”text” id=”mytext”/> Your script would be <script> function setFocusToTextBox(){ document.getElementById(“mytext”).focus(); } </script>
Enable TextWrapping=”Wrap” and AcceptsReturn=”True” on your TextBox. You might also wish to enable AcceptsTab and SpellCheck.IsEnabled too.
Start observing ‘input’ event instead of ‘change’. jQuery(‘#some_text_box’).on(‘input’, function() { // do your stuff }); …which is nice and clean, but may be extended further to: jQuery(‘#some_text_box’).on(‘input propertychange paste’, function() { // do your stuff });
In HTML 5, you can just use the Canvas.measureText method (further explanation here). Try this fiddle: /** * Uses canvas.measureText to compute and return the width of the given text of given font in pixels. * * @param {String} text The text to be rendered. * @param {String} font The css font descriptor that text … Read more
Two options: Use a NumericUpDown instead. NumericUpDown does the filtering for you, which is nice. Of course it also gives your users the ability to hit the up and down arrows on the keyboard to increment and decrement the current value. Handle the appropriate keyboard events to prevent anything but numeric input. I’ve had success … Read more