Interface IAdornerPlacement

Artigo
08/25/2010

Especifica um termo de posicionamento para um AdornerPlacementCollection.

Namespace: Microsoft.Windows.Design.Interaction
Assembly: Microsoft.Windows.Design.Interaction (em Microsoft.Windows.Design.Interaction.dll)

Sintaxe

Public Interface IAdornerPlacement

Dim instance As IAdornerPlacement

public interface IAdornerPlacement

public interface class IAdornerPlacement

public interface IAdornerPlacement

Comentários

Termos de colocação são usados para construir um conjunto de valores que fornecem flexibilidade para o posicionamento e dimensionamento do adorners em um AdornerPanel.

Exemplos

O exemplo de código a seguir mostra como conjunto posições de adorno um trilho dentro de um controle.Para obter mais informações, consulte Demonstra Passo a passo: Implementando um rail dentro de um Controlarar.

' Place the slider in the adorner panel.
Dim placement As New AdornerPlacementCollection()
AdornerPanel.SetHorizontalStretch(skewSlider, AdornerStretch.Stretch)
AdornerPanel.SetVerticalStretch(skewSlider, AdornerStretch.None)

' Use layout space for the adorner panel.
' If render space were used, the slider would skew along with the button.
panel.CoordinateSpace = AdornerCoordinateSpaces.Layout

' The adorner's width is relative to the content.
' The slider extends half the width of the control it adorns.
placement.SizeRelativeToContentWidth(0.5, 0)

' Center the adorner within the control.
placement.PositionRelativeToAdornerWidth(0.5, 0)

' The adorner's height is the same as the slider's.
placement.SizeRelativeToAdornerDesiredHeight(1.0, 0)

' Position the adorner within the control it adorns.
placement.PositionRelativeToAdornerHeight(1.0, 0)

AdornerPanel.SetPlacements(skewSlider, placement)

// Place the slider in the adorner panel.
AdornerPlacementCollection placement = new AdornerPlacementCollection();
AdornerPanel.SetHorizontalStretch(skewSlider, AdornerStretch.Stretch);
AdornerPanel.SetVerticalStretch(skewSlider, AdornerStretch.None);

// Use layout space for the adorner panel.
// If render space were used, the slider would skew along with the button.
panel.CoordinateSpace = AdornerCoordinateSpaces.Layout;

// The adorner's width is relative to the content.
// The slider extends half the width of the control it adorns.
placement.SizeRelativeToContentWidth(0.5, 0);

// Center the adorner within the control.
placement.PositionRelativeToAdornerWidth(0.5, 0);

// The adorner's height is the same as the slider's.
placement.SizeRelativeToAdornerDesiredHeight(1.0, 0);

// Position the adorner within the control it adorns.
placement.PositionRelativeToAdornerHeight(1.0, 0);

AdornerPanel.SetPlacements(skewSlider, placement);