Create Content Type
- Create new content type inherited from Picture content type
- Add your own fields, if there are
- Provision this content type to the site
- Restart Visual Studio before you start the next steps
Create Document Library
Add Document Library
- Add new item to the folder where you'd like to have new picture library
- Choose List item and give the name to your library
- When "SharePoint Customization Wizard" popup, set the name for the list and choose first option with Document Library in dropdown list
- Click Finish
Add Content Type
- Open new created document library in Visual Studio
- Click Content Types button in Columns tab
- Delete Document content type from the list
- Add your custom type to the list of the content types
- Make it default and click OK
Convert Document Library to Picture Library
Add Picture Library Element Files
- Remove all html and aspx files from the library
- Go to [15 hive]\Template\Features\PictureLibrary\PicLib
- Add all aspx files from this folder to picture library in Visual Studio
- Change the Deployment Type of those files to the ElementFile
Change List Definition File
- Open Elements.xml
- Set Type to 109
- DocumentTemplate to 100
- Save it
Change Schema File
- Open Schema.xml
- In the List node add next attributes ThumbnailSize="160" WebImageWidth="640" WebImageHeight="480"
- Add Node to your default Content Type reference
<Folder TargetName="Forms/Picture" /> - Keep Fields node as is
- Open file Schema.xml from [15 hive]\Template\Features\PictureLibrary\PicLib
- Replace Views and Forms nodes with the ones from this definition file
Change List Instance Definition File
- Open Elements.xml of list instance
- Set TemplateType to 109
- Save it
