PopupButtonBase Class

[TemplatePart(Name = "PART_Popup", Type = typeof(Popup))]
[TemplatePart(Name = "PART_ResizeGrip", Type = typeof(Thumb))]
public abstract class PopupButtonBase : ButtonBase, IKeyTipTarget, ILogicalParent, IVariantControl

protected PopupButtonBase()

public bool AutoDisableWhenPopupContentIsDisabled { get; set; }

Property Value

bool:

true if auto-disabling should occur; otherwise, false. The default value is true.

[Bindable(false)]
public CustomPopupPlacementCallback CustomPopupPlacementCallback { get; set; }

Property Value

CustomPopupPlacementCallback:

The CustomPopupPlacementCallback delegate method that provides placement information for the popup control. The default value is null.

public bool IsPopupOpen { get; set; }

Property Value

bool:

true if the a child popup is open; otherwise, false.

protected override IEnumerator LogicalChildren { get; }

Property Value

IEnumerator:

An enumerator for logical child elements of this element.

public object PopupContent { get; set; }

Property Value

object:

The content that is displayed on the popup for the button.

Remarks

This can be any object, including panels of multiple controls, however it is generally a Menu.

public DataTemplate PopupContentTemplate { get; set; }

Property Value

DataTemplate:

The DataTemplate to use for the PopupContent.

Remarks

This property is only really useful if your popup content is a data object and not a UI element.

public DataTemplateSelector PopupContentTemplateSelector { get; set; }

Property Value

DataTemplateSelector:

The DataTemplateSelector to use for the PopupContent.

Remarks

This property is only really useful if your popup content is a data object and not a UI element.

public bool PopupHasBorder { get; set; }

Property Value

bool:

true if the popup should display a border; otherwise, false. The default value is true.

[TypeConverter(typeof(LengthConverter))]
public double PopupHorizontalOffset { get; set; }

Property Value

double:

An offset from the left of the area that is specified for the popup control by a combination of the PopupPlacement, PopupPlacementTarget, and PopupPlacementRectangle properties. The default value is 0.0.

public PlacementMode PopupPlacement { get; set; }

Property Value

PlacementMode:

A PlacementMode enumeration value that determines the orientation of the popup when it opens, and that specifies how it interacts with screen boundaries. The default value is Bottom.

public Rect PopupPlacementRectangle { get; set; }

Property Value

Rect:

The rectangle that is used to position the popup control. The default value is null.

public UIElement PopupPlacementTarget { get; set; }

Property Value

UIElement:

The UIElement that is the logical parent of the Popup control. The default value is null.

public ControlResizeMode PopupResizeMode { get; set; }

Property Value

ControlResizeMode:

A ControlResizeMode that specifies the popup's resizing capabilities. The default value is ControlResizeMode.None.

[TypeConverter(typeof(LengthConverter))]
public double PopupVerticalOffset { get; set; }

Property Value

double:

An offset from the top of the area that is specified for the popup control by a combination of the PopupPlacement, PopupPlacementTarget, and PopupPlacementRectangle properties. The default value is 0.0.

protected override void OnLostMouseCapture(MouseEventArgs e)

Parameter	Type	Description
e	MouseEventArgs	The event data for the Mouse.LostMouseCapture event.

protected virtual void OnPopupClosed()

protected virtual void OnPopupOpened()

protected virtual bool OnPopupOpening()

Returns

bool:

true if the popup opening should be allowed to open; otherwise, false.

protected override void OnVisualParentChanged(DependencyObject oldParent)

Parameter	Type	Description
oldParent	DependencyObject	A System.Windows.DependencyObject that indicates the old visual parent.

public event RoutedEventHandler PopupClosed

Event Type

RoutedEventHandler

public event RoutedEventHandler PopupOpened

Event Type

RoutedEventHandler

public event EventHandler<CancelRoutedEventArgs> PopupOpening

Event Type

EventHandler<CancelRoutedEventArgs>

public static readonly DependencyProperty AutoDisableWhenPopupContentIsDisabledProperty

public static readonly DependencyProperty CustomPopupPlacementCallbackProperty

public static readonly DependencyProperty IsPopupOpenProperty

public static readonly RoutedEvent PopupClosedEvent

public static readonly DependencyProperty PopupContentProperty

public static readonly DependencyProperty PopupContentTemplateProperty

public static readonly DependencyProperty PopupContentTemplateSelectorProperty

public static readonly DependencyProperty PopupHasBorderProperty

public static readonly DependencyProperty PopupHorizontalOffsetProperty

public static readonly RoutedEvent PopupOpenedEvent

public static readonly RoutedEvent PopupOpeningEvent

public static readonly DependencyProperty PopupPlacementProperty

public static readonly DependencyProperty PopupPlacementRectangleProperty

public static readonly DependencyProperty PopupPlacementTargetProperty

public static readonly DependencyProperty PopupResizeModeProperty

public static readonly DependencyProperty PopupVerticalOffsetProperty