Simple creation of WPF bubble prompt box, wpf bubble

Simple creation of WPF bubble prompt box, wpf bubble

The following example shows the code of the WPF bubble prompt box for your reference.

Directly Add code

<TextBox Name = "account" GotFocus = "account_GotFocus" LostFocus = "account_LostFocus" Style = "{StaticResource LabelTextBox}" xl: ControlAttachProperty. label = "username:" Foreground = "Black" Margin = "273,271," Width = "Auto"/>

Create a TextBox at the front end, and add the following attributes to the additional attributes:

<Popup Name = "pop3" AllowsTransparency = "True" StaysOpen = "True" PopupAnimation = "Fade" IsOpen = "False" PlacementTarget = "{Binding ElementName = account}" Placement =" right "> <Label Style =" {StaticResource tipLable} "> <StackPanel Orientation =" Horizontal "> <Label Content =" enter user name "/> </StackPanel> </Label> </Popup>

:

Style code:

<Style TargetType="Label" x:Key="tipLable">  <Setter Property="Template">   <Setter.Value>    <ControlTemplate TargetType="{x:Type Label}">     <Grid>      <Border CornerRadius="4" BorderBrush="Black" BorderThickness="1" VerticalAlignment="Top" Margin="8.5,0,0,0" Background="Yellow" HorizontalAlignment="Left" Padding="5">       <ContentPresenter />      </Border>      <Canvas Width="10" Height="10" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="0,10,0,0" Background="Transparent">       <Path Stroke="Black" StrokeThickness="0.5" Fill="Yellow">        <Path.Data>         <PathGeometry Figures="M 10,0 L 10,0,0,5 L 0,5,10,10"/>        </Path.Data>       </Path>      </Canvas>     </Grid>    </ControlTemplate>   </Setter.Value>  </Setter> </Style>

The above is all the content of this article. I hope it will be helpful for your learning and support for helping customers.