ToolTip.PlacementTarget Propiedad

Definición

Obtiene o establece el objeto UIElement respecto al cual se coloca el control ToolTip cuando se abre.Gets or sets the UIElement relative to which the ToolTip is positioned when it opens.

public:
 property System::Windows::UIElement ^ PlacementTarget { System::Windows::UIElement ^ get(); void set(System::Windows::UIElement ^ value); };
[System.ComponentModel.Bindable(true)]
public System.Windows.UIElement PlacementTarget { get; set; }
member this.PlacementTarget : System.Windows.UIElement with get, set
Public Property PlacementTarget As UIElement

Valor de propiedad

UIElement que es el elemento primario lógico del control ToolTip.The UIElement that is the logical parent of the ToolTip control. De manera predeterminada, es null.The default is null.

Atributos

Ejemplos

En el ejemplo siguiente se muestra cómo crear y colocar ToolTipun.The following example shows how to create and position a ToolTip.

<Ellipse Height="25" Width="50" 
         Fill="Gray" 
         HorizontalAlignment="Left"
         ToolTipService.InitialShowDelay="1000"
         ToolTipService.ShowDuration="7000"
         ToolTipService.BetweenShowDelay="2000">
  <Ellipse.ToolTip>
    <ToolTip Placement="Right" 
             PlacementRectangle="50,0,0,0"
             HorizontalOffset="10" 
             VerticalOffset="20"
             HasDropShadow="false"
             Opened="whenToolTipOpens"
             Closed="whenToolTipCloses"
             >
      <BulletDecorator>
        <BulletDecorator.Bullet>
          <Ellipse Height="10" Width="20" Fill="Blue"/>
        </BulletDecorator.Bullet>
        <TextBlock>Uses the ToolTip Class</TextBlock>
      </BulletDecorator>
    </ToolTip>
  </Ellipse.ToolTip>
</Ellipse>

//Create an ellipse that will have a 
//ToolTip control. 
Ellipse ellipse1 = new Ellipse();
ellipse1.Height = 25;
ellipse1.Width = 50;
ellipse1.Fill = Brushes.Gray;
ellipse1.HorizontalAlignment = HorizontalAlignment.Left;

//Create a tooltip and set its position.
ToolTip tooltip = new ToolTip();
tooltip.Placement = PlacementMode.Right;
tooltip.PlacementRectangle = new Rect(50, 0, 0, 0);
tooltip.HorizontalOffset = 10;
tooltip.VerticalOffset = 20;

//Create BulletDecorator and set it
//as the tooltip content.
BulletDecorator bdec = new BulletDecorator();
Ellipse littleEllipse = new Ellipse();
littleEllipse.Height = 10;
littleEllipse.Width = 20;
littleEllipse.Fill = Brushes.Blue;
bdec.Bullet = littleEllipse;
TextBlock tipText = new TextBlock();
tipText.Text = "Uses the ToolTip class";
bdec.Child = tipText;
tooltip.Content = bdec;

//set tooltip on ellipse
ellipse1.ToolTip = tooltip;
'Create an ellipse that will have a 
'ToolTip control. 
Dim ellipse1 As New Ellipse()
ellipse1.Height = 25
ellipse1.Width = 50
ellipse1.Fill = Brushes.Gray
ellipse1.HorizontalAlignment = HorizontalAlignment.Left

'Create a tooltip and set its position.
Dim tooltip As New ToolTip()
tooltip.Placement = PlacementMode.Right
tooltip.PlacementRectangle = New Rect(50, 0, 0, 0)
tooltip.HorizontalOffset = 10
tooltip.VerticalOffset = 20

'Create BulletDecorator and set it
'as the tooltip content.
Dim bdec As New BulletDecorator()
Dim littleEllipse As New Ellipse()
littleEllipse.Height = 10
littleEllipse.Width = 20
littleEllipse.Fill = Brushes.Blue
bdec.Bullet = littleEllipse
Dim tipText As New TextBlock()
tipText.Text = "Uses the ToolTip class"
bdec.Child = tipText
tooltip.Content = bdec

'set tooltip on ellipse
ellipse1.ToolTip = tooltip

Comentarios

Puede ToolTip colocar un estableciendo las PlacementTargetpropiedades, PlacementRectangle, Placement, HorizontalOffsety. VerticalOffsetPropertyYou can position a ToolTip by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffsetProperty properties. Estas propiedades se comportan igual que en el Popupcaso de.These properties behave the same as they do for a Popup. Para más información, consulte Posición de un control Popup.For more information, see Popup Placement Behavior.

Información sobre propiedades de dependenciaDependency Property Information

Campo de identificadorIdentifier field PlacementTargetProperty
Propiedades de metadatos establecidas entrueMetadata properties set to true NingunaNone

Se aplica a

Consulte también: