New answers tagged custom-field-types
1
The dialog known is a special customization of what is known as an AssetPicker, and this one comes with Publishing Sites because is actually part of Publishing controls (http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.publishing.webcontrols.asseturlselector(v=office.14).aspx)
You can either :
Use this one in code (add publishing assembly to ...
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