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Posted 18 Jan 2012
Licenced CPOL

How to simplify coding DependencyProperty in WPF and Silverlight

, 11 Feb 2012
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Simplify Coding DependencyProperty

This tip will introduce an excellent method to simplify coding DependencyProperty in WPF and Silverlight.


Writing Dependency Property is really an annoying task and it is so easy to make mistakes. I've found an excellent solution to solve this problem.

Using the code

  1. Install AutoCode 4.0 (

  2. Generate the three files at the last section of the tip (contains the custom script written by myself) and copy it to "C:\Documents and Settings\user\My Documents\AutoCode 2010\Commands\CSharp\Misc".

  3. Open Visual Studio and find a proper place to type "<propertyType> <propertyName> <ownerType> dp", press "Ctrl + Enter", and this line will be replaced by a generated section of code, which is exactly what you want.

Any problem, please feel free to ask me and wish you enjoy it!

PS: Professional Edition of AutoCode is required to use the custom script without any limitation, or else you need to restart Visual Studio after you have used it more than four times. Refer to to find how to Activate AutoCode Professional Edition.

Points of Interest
You can do a lot of other great things with AutoCode to simplify our daily development work.

<?xml version="1.0"?>
<Commands xmlns="">
  <Command name="DependencyProperty" version="1.0">

      <Include file="DependencyProperty.cs" />

      <CommandLine shortcut="dp" />
      <ActiveDocument extensions=".cs"/>

        <![CDATA[<propertyType> <propertyName> <ownerType> dp]]>
      <Example>RevealedImageData ImageData ThumbnailItem dp</Example>
      <Description>Constructs a dependency property.</Description>

    <CommandCode language="csharp">

        <Code id="Template" file="DependencyProperty.txt" />

      <Selection codeElement="Template" codePoint="StartOfElement" clearSelection="true">

        <Start codeElement="Template" codePoint="StartOfElement" />
        <End codeElement="Template" codePoint="EndOfElement" />



using System;
using System.IO;
using System.Collections.Generic;

using DevProjects.AutoCode.Commands;

public partial class DependencyPropertyCommand : CommandBase
    private string PropertyType;
    private string PropertyName;
    private string OwnerType;

    protected override bool BeforeExecute(string commandArgs)
        if (Arguments.Length != 3)
            CommandHelper.InvalidArguments("Please, specify property type, property name and the owner type.");
            return false;

        PropertyType = Arguments[0];
        PropertyName = Arguments[1];
        OwnerType = Arguments[2];

        return true;

public <#=PropertyType#> <#=PropertyName#>
    get { return (<#=PropertyType#>)GetValue(<#=PropertyName#>Property); }
    set { SetValue(<#=PropertyName#>Property, value); }
public static readonly DependencyProperty <#=PropertyName#>Property =
    DependencyProperty.Register("<#=PropertyName#>Property", typeof(<#=PropertyType#>),
    typeof(<#=OwnerType#>), new PropertyMetadata(On<#=PropertyName#>Callback));
private static void On<#=PropertyName#>Callback(DependencyObject obj, DependencyPropertyChangedEventArgs e)
    <#=OwnerType#> <#=ToCamelCase(OwnerType)#> = obj as <#=OwnerType#>;
    <#=PropertyType#> <#=ToCamelCase(PropertyType)#> = e.NewValue as <#=PropertyType#>;

    if (<#=ToCamelCase(PropertyType)#> == null)

    <#=ToCamelCase(OwnerType)#>/*I*/ = <#=ToCamelCase(PropertyType)#>;


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

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Comments and Discussions

GeneralMy vote of 5 Pin
sgmoore15-Jun-13 2:07
membersgmoore15-Jun-13 2:07 
GeneralReason for my vote of 1 I don't see the point, just use prop... Pin
MLaino15-Feb-12 7:17
memberMLaino15-Feb-12 7:17 
GeneralThis is not simpler than Ctrl+C, Ctrl+V. Real "simplificatio... Pin
Thornik23-Jan-12 22:03
memberThornik23-Jan-12 22:03 

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