ExpressionExtension Class

A XAML markup extension which allows the use of general MindFusion expression as values in XAML property initialization.

Namespace: MindFusion.Reporting.Wpf
Assembly: MindFusion.Reporting.Wpf

 Syntax

C#

public class ExpressionExtension : MarkupExtension

Visual Basic

Public Class ExpressionExtension
    Inherits MarkupExtension

 Remarks

This class enables the use of MindFusion expressions as property values in XAML. For more information about MindFusion expressions, check Expressions. This extension does not necessarily need to be used in the context of a MindFusion report. See the section below for an example on how to use expressions in XAML.

 Example

This example assigns a simple algebraic expression to the Width property of a WPF Button:

XAML

<Button Width="{r:Expression '[CDbl((4+6)*10)]'}" Content="Hello" />

In the above example the namespace r is defined as follows:

XAML

xmlns:r="http://mindfusion.eu/reporting/wpf"

 Inheritance Hierarchy

System.Object
    System.Windows.Markup.MarkupExtension
        MindFusion.Reporting.Wpf.ExpressionExtension