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Posted 28 Oct 2007

A WPF Problem Solved Two Very Different Ways - Using XAML Only - Using a Custom Control

, 28 Oct 2007
Article on solving a problem using a XAML only approach and then solving that same problem using WPF custom controls.
Public Class LineHeightConverter
    Implements IValueConverter


    Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements System.Windows.Data.IValueConverter.Convert

        Dim dbl As Double

        If Double.TryParse(value.ToString, dbl) = True Then
            Return dbl + 5
        Else
            Return value
        End If

    End Function

    Public Function ConvertBack(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements System.Windows.Data.IValueConverter.ConvertBack

    End Function
End Class

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About the Author

Karl Shifflett
Architect Infragistics
United States United States

I’m a passionate Platform Architect at Infragistics.


I’m a long-time WPF-Prism fanatic who enjoys writing developer tools and line of business applications.


My current front end passions are: XAML platforms (Xamarin.Forms, Xamarin, UWP, and WPF), Electron, ES2015 (ES6), Node.js, Aurelia, and AngularJS (Angular 1.5.x).


For the back end I use what is appropriate for the project: SQL Server and ASP.NET WebAPI, MongoDB, Express, Azure, Firebase, etc.


I am very pragmatic software engineer and strive to write simple, maintainable, and testable code. Simple code allows for solving complex problems in a maintainable way.


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Just a grain of sand on the worlds beaches.


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