SPList.EnableMinorVersions property

Gets or sets a Boolean value that specifies whether minor versions are enabled when versioning is enabled for the document library.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public bool EnableMinorVersions { get; set; }

Property value

Type: System.Boolean
true if minor versions are enabled; otherwise, false.

Although the EnableMinorVersions property is defined on the SPList class, versioning is only available for document library lists.