Specifies the name of a bookmark in the current document from which the value of this custom document property should be extracted. If this property value is present, then any value shall be considered a cache and replaced with the value of this bookmark (if present) on save. If the bookmark is not present, then this link shall be considered broken and the cached value shall be retained.

'Declaration
 
Public Property LinkSource As System.String

public System.string LinkSource {get; set;}