Block Class

An abstract class that provides a base for all block-level content elements.

Inheritance Hierarchy

System.Object
  System.Windows.DependencyObject
    System.Windows.Documents.TextElement
      System.Windows.Documents.Block
        System.Windows.Documents.Paragraph
        System.Windows.Documents.Section

Namespace:  System.Windows.Documents
Assembly:  System.Windows (in System.Windows.dll)

Syntax

'Declaration
Public MustInherit Class Block _
    Inherits TextElement
public abstract class Block : TextElement

The Block type exposes the following members.

Constructors

  Name Description
Protected methodSupported by Silverlight for Windows Phone Block Initializes a new instance of the Block class.

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Properties

  Name Description
Public property CharacterSpacing Gets or sets the distance between characters of text in the control measured in 1000ths of the font size. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone ContentEnd Gets a TextPointer that represents the end of the content in the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone ContentStart Gets a TextPointer that represents the start of content in the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone Dispatcher Gets the Dispatcher this object is associated with. (Inherited from DependencyObject.)
Public propertySupported by Silverlight for Windows Phone ElementEnd Gets a TextPointer that represents the position just after the end of the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone ElementStart Gets a TextPointer that represents the position just before the start of the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone FontFamily Gets or sets the preferred top-level font family for the content of the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone FontSize Gets or sets the font size for the content of the element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone FontStretch Gets or sets the glyph width of the font in a family to select. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone FontStyle Gets or sets the font style for the content in this element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone FontWeight Gets or sets the top-level font weight to select from the font family for the content in this element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone Foreground Gets or sets the Brush to apply to the content in this element. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone Language Gets or sets the language of the content within an TextElement element. (Inherited from TextElement.)
Public property LineHeight Gets or sets the height of each line of content.
Public property LineStackingStrategy Gets or sets a value that indicates how a line box is determined for each line of text in a Block.
Public propertySupported by Silverlight for Windows Phone Name Gets or sets a unique identification for the object. Name can only be set from initial parsing of XAML. (Inherited from TextElement.)
Public propertySupported by Silverlight for Windows Phone TextAlignment Gets or sets the horizontal alignment of the text content.

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Methods

  Name Description
Public methodSupported by Silverlight for Windows Phone CheckAccess Determines whether the calling thread has access to this object. (Inherited from DependencyObject.)
Public methodSupported by Silverlight for Windows Phone ClearValue Clears the local value of a dependency property. (Inherited from DependencyObject.)
Public methodSupported by Silverlight for Windows Phone Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone FindName Gets an object in the Silverlight object model by referencing the object's x:Name or Name attribute value. (Inherited from TextElement.)
Public methodSupported by Silverlight for Windows Phone GetAnimationBaseValue Returns any base value established for a Silverlight dependency property, which would apply in cases where an animation is not active. (Inherited from DependencyObject.)
Public methodSupported by Silverlight for Windows Phone GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GetValue Returns the current effective value of a dependency property from a DependencyObject. (Inherited from DependencyObject.)
Protected methodSupported by Silverlight for Windows Phone MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone OnCreateAutomationPeer Returns a class-specific AutomationPeer implementation for use by the Silverlight automation infrastructure. (Inherited from TextElement.)
Public methodSupported by Silverlight for Windows Phone ReadLocalValue Returns the local value of a dependency property, if a local value is set. (Inherited from DependencyObject.)
Public methodSupported by Silverlight for Windows Phone SetValue Sets the local value of a dependency property on a DependencyObject. (Inherited from DependencyObject.)
Public methodSupported by Silverlight for Windows Phone ToString Returns a string that represents the current object. (Inherited from Object.)

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Fields

  Name Description
Public fieldStatic member LineHeightProperty Identifies the LineHeight dependency property.
Public fieldStatic member LineStackingStrategyProperty Identifies the LineStackingStrategy dependency property.
Public fieldStatic memberSupported by Silverlight for Windows Phone TextAlignmentProperty Identifies the TextAlignment dependency property.

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Remarks

Elements that inherit from the Block class (such as Paragraph) can be used to group elements under a common parent or to apply common attributes to a group. Conceptually, Block is similar to a <DIV> tag in HTML.

NoteNote:

The XAML syntax for properties of Block show Paragraph as the object element. This is because in Silverlight 4 and Silverlight 5, Paragraph is the only XAML-usable type that derives from Block.

Version Information

Silverlight

Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.