FlowDocument.ColumnRuleWidth Property

Gets or sets the column rule width.

Namespace:  System.Windows.Documents
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

[LocalizabilityAttribute(LocalizationCategory.None, Readability = Readability.Unreadable)]
[TypeConverterAttribute(typeof(LengthConverter))]
public double ColumnRuleWidth { get; set; }
<object ColumnRuleWidth="double"/>
- or -
<object ColumnRuleWidth="qualifiedDouble"/>

XAML Values

double

Double

String representation of a Double value equal to or greater than 0.0 but smaller than Double.PositiveInfinity. An unqualified value is measured in device independent pixels. Strings need not explicitly include decimal points.

qualifiedDouble

A double value as described above, 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

Property Value

Type: System.Double
The column rule width, in device independent pixels. The default is 0.0.

Identifier field

ColumnRuleWidthProperty

Metadata properties set to true

AffectsRender

The column rule is a line that is drawn between columns, and is used to visually separate columns of content.

This property has no effect if the ColumnRuleBrush property is null.

Column rules are only displayed when there are two or more columns. The column rule width is constrained to be less than or equal to the ColumnGap.

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

FlowDocument flowDoc = new FlowDocument(new Paragraph(new Run("A bit of text content...")));
// Set a column rule two pixels wide colored Dodger blue.
flowDoc.ColumnRuleWidth = 2.0;
flowDoc.ColumnRuleBrush = Brushes.DodgerBlue;

More Code

How to: Use FlowDocument Column-Separating AttributesThis example shows how to use the column-separating features of a FlowDocument.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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