Inherit existing web parts and override methods

StackOverflow https://stackoverflow.com/questions/416152

  •  03-07-2019
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Question

When developing web parts in SharePoint can I inherit from the existing web parts and override their methods?

Or do I always need to start from scratch.

Many Thanks

Was it helpful?

Solution

If they are not sealed, you can inherit from them. In practise, It might work or not depending on how the web part you want to extend.

OTHER TIPS

Most (all?) OTB parts are sealed.

A new toolbar with icon/no buttons sounds more like a design solution. Place the topnav placeholder in a invisible panel at the bottom (so page doesn't crash) and modify the rest visually (css+firebug) . Assuming I am not misunderstanding what you mean.

Its pretty easy to get started with webparts, http://blah.winsmarts.com//2006/05/14/writing-custom-webparts-for-sharepoint-2007.aspx should show you how. From there you should be able to write an RSS reader easily.

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