The major version of the release.
[Visual Basic .NET] Public ReadOnly Property MajorVersion As Integer
[C#] public int MajorVersion {get;}
[C++]
HRESULT get_MajorVersion(
long* number
);
[C++]Parameters
number [out, retval] number is a parameter of type long
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.