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ListItem.LineHeight Property

Gets or sets the height of each line of content.

Namespace: System.Windows.Documents
Assembly: PresentationFramework (in presentationframework.dll)
XML Namespace:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

[TypeConverterAttribute(typeof(LengthConverter))] 
public double LineHeight { get; set; }
/** @property */
public double get_LineHeight ()

/** @property */
public void set_LineHeight (double value)

public function get LineHeight () : double

public function set LineHeight (value : double)

<object LineHeight="double"/>
- or -
<object LineHeight="qualifiedDouble"/>
- or -
<object LineHeight="Auto"/>
 double  String representation of a Double value equal to or greater than 0.0034 and equal to or less then 160000. An unqualified value is measured in device independent pixels. Strings need not explicitly include decimal points.  qualifiedDouble  A double value as described above, (excepting Auto) followed by one of the following unit specifiers: px, in, cm, pt.  px (default) is device-independent units (1/96th inch per unit)  in is inches; 1in==96px  cm is centimeters; 1cm==(96/2.54) px  pt is points; 1pt==(96/72) px Auto Causes the line height to be determined automatically from the current font characteristics.  Equivalent to a property value of NaN. 

Property Value

A double value specifying the height of line in device independent pixels with a value equal to or greater than 0.0034 and equal to or less then 160000. A value of NaN (equivalent to an attribute value of "Auto") causes the line height to be determined automatically from the current font characteristics. The default value is NaN.

Changing this value does not change the height of the associated text; rather, it changes the height of the line that contains the text.

In addition to this property, the layout of lines in a ListItem is affected by its LineStackingStrategy property.

The following example shows how to set the LineHeight attribute of a Block element.

<FlowDocument>
  <Paragraph 
    TextAlignment="Left" 
    Background="AliceBlue"
    FontSize="24"
    LineHeight="48"
  >
    One<LineBreak/>
    two two<LineBreak/>
    Three Three Three<LineBreak/>
    four four four four<LineBreak/>
    Five Five Five Five Five
  </Paragraph>
</FlowDocument>

The following figure shows how the previous example renders.

Screenshot: FlowDocument LineHeight

The following figure shows how the same example renders with the default setting of LineHeight=NaN.

Screenshot: FlowDocument LineHeight default

The following example shows how to set the LineHeight property programmatically.

Paragraph par = new Paragraph();
par.LineHeight = 48;

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0
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