TextBox.SelectedText Property

July 28, 2014

Gets or sets the content of the current selection in the text box.

Namespace:  System.Windows.Controls
Assembly:  System.Windows (in System.Windows.dll)
XMLNS for XAML: Not mapped to an xmlns.

public string SelectedText { get; set; }
<TextBox SelectedText="string"/>

Property Value

Type: System.String
The currently selected text in the text box. If no text is selected, the value is Empty.

ExceptionCondition
ArgumentNullException

The value is set to null.

Getting this property returns a string copy of the current selection. Setting this property replaces the current selection with the specified string.

SelectedText can be used to replace the selected text or to insert new text at the cursor location if no text is selected.

Setting the SelectedText property raises the SelectionChanged event.

The following code example shows how you can use the SelectedText property.


private void MyButton_Click(object sender, RoutedEventArgs e)
{
    //Contents that are selected in MyTB1 are copied to MyTB2
    MyTB2.Text = MyTB1.SelectedText;
}


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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