SPWebApplication.DisableCoauthoring property
SharePoint 2013
Gets or sets a Boolean value that specifies whether shared file locking is enabled for coauthoring Microsoft Office, an integrated system of programs, servers, and services documents.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Property value
Type: System.BooleanBoolean
false if shared file locking is enabled; otherwise, true. This property always returns true if the DisableCoauthoring property is set at the farm level on the SPWebService class.