How to create a feature receiver that update a theme

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Pre request:

· Windows Server 2003 SP1 or above

· Visual Studio 2008 Pro or above

· Visual Studio Extension for SharePoint 1.3 CTP or later

Steps:

Start Visual Studio

Create a SharePoint project using Empty template

· =>File=>New=>Project

· Visual C#=>SharePoint=>Empty

· Type name as MyThemeFeature

· Select FullTrust(Deploy to GAC) on the Select Trust Level popup window

· =>OK

Extract the Public Key token

· Open Visual Studio Command Prompt

· Go to the folder \MyThemeFeature\Properties\ folder

· Run Sn –p MyTheamFeature.snk > publicKey.snk

· Run Sn –t publicKey.snk > Token.txt

· Open Token.txt

· Copy the public key token

Create a New Feature with the event receiver

· Switch to WSP view

· Click refresh button so that MyThemeFeature is showing on the root note

· Click create new feature button

· On the Feature Scope Settings popup, select Add feature receiver, =>OK

· Rename Feature1 to MyThemeFeature

· Open feature.xml file

· Inside feature.xml file, rename the title from feature1 to MyThemeFeature

· Add ReceiverAssembly and ReceiverClass attribute so that the feature.xml file now looks like this: (the PublicKeyToken should be from the Token.txt file you copied before.)

<?xml version=”1.0” encoding=”utf-8”?>

<Feature Id="b3c387b3-5f74-4054-bb70-8b45c7549afa"

Title="MyThemeFeature"

Scope="Web"

Version="1.0.0.0"

Hidden="FALSE"

DefaultResourceFile="core"

xmlns="https://schemas.microsoft.com/sharepoint/"

ReceiverAssembly=" MyThemeFeature, Version=1.0.0.0, Culture=neutral, PublicKeyToken=9f4da00116c38ec5"

ReceiverClass=" MyThemeFeature. FeatureReceiver1"

>

<ElementManifests />

</Feature>

Edit event receiver to use your theme

· Open FeatureReceiver1.cs file

· Modify the FeatureActivated and FeatureDeactivating methods as the following:

public override void FeatureActivated(SPFeatureReceiverProperties properties)

{

SPWeb web = properties.Feature.Parent as SPWeb;

web.ApplyTheme("YourThemeName");

}

public override void FeatureDeactivating(SPFeatureReceiverProperties properties)

{

SPWeb web = properties.Feature.Parent as SPWeb;

web.ApplyTheme("none");

}

· You need to replace the above “YourThemeName” with the them name you want. For example “Jet”

Deploy and test your solution

· Right click on MyThemeFeature project and select Deploy

· Browser to your site.

· You may need deactivate and activate the MyThemeFeature to see your theme applied.