Add Clear Button to WatermarkTextBox

Environment

Product Version	2022.3.912
Product	RadWatermarkTextBox for WPF

Description

How to add a clear button to the RadWatermarkTextBox control.

Solution

You can add a button as the AdditionalContent of the RadWatermarkTextBox control and bind its Command property to the RadWatermarkTextBoxCommands.Clear command.

Add clear button as AdditionalContent

<telerik:RadWatermarkTextBox.AdditionalContent> 
    <telerik:RadButton Focusable="False" IsBackgroundVisible="False" 
                        Command="telerik:RadWatermarkTextBoxCommands.Clear" 
                        CommandTarget="{Binding RelativeSource={RelativeSource AncestorType=telerik:RadWatermarkTextBox}}" 
                        Visibility="{Binding RelativeSource={RelativeSource AncestorType=telerik:RadWatermarkTextBox}, Path=Text, Converter={StaticResource NullToVisibilityConverter}}"> 
        <telerik:RadGlyph Glyph="{StaticResource GlyphClose}"/> 
    </telerik:RadButton> 
</telerik:RadWatermarkTextBox.AdditionalContent> 

See Also

• AdditionalContent