WPF - Triggers on TextBox click

Question

I'm trying to write a xaml piece that will set my TextBox's text whenever it gets / loses focus. Currently it looks like this :

<TextBox Name="TextBoxLogin" HorizontalAlignment="Left" Height="25" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="160">
                <TextBox.Style>
                    <Style TargetType="TextBox">
                        <Style.Triggers>
                            <Trigger Property="IsMouseCaptured" Value="True">
                                <Setter Property="Text" Value="test"/>
                            </Trigger>
                        </Style.Triggers>
                    </Style>
                </TextBox.Style>
            </TextBox>

But for some reason whenever I click it, the text doesn't change. I'd like to know why and what are my options to make it work. I also tried other properties like IsStylusCaptured and IsFocused, they didn't work either.

Answer 1

The issue is simple, you are setting the Text property in the first line :( Either set it in the STyle or don't set it :

 <TextBox Name="TextBoxLogin" HorizontalAlignment="Left" Height="25" TextWrapping="Wrap" VerticalAlignment="Top" Width="160">
            <TextBox.Style>
                <Style TargetType="TextBox">
                <Setter Property="Text" Value = "TextHEre"/>
                    <Style.Triggers>
                        <Trigger Property="IsMouseCaptured" Value="True">
                            <Setter Property="Text" Value="test"/>
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </TextBox.Style>
  </TextBox>