Query all changes in path returning 1 result, starting from lowest changeset. http://msdn.microsoft.com/en-us/library/ff736442(v=vs.100).aspx
versionControlService.QueryHistory(
path,
VersionSpec.Latest,
0,
RecursionType.Full, //look into all subfolders
null,
null, //version from - first
null, //version to - latest => all
1, //Return at maximum 1 item
boolIncludeChanges, // Include information on changes done
false,
boolIncludeDLInfo,
true //sort ascending - C1, C2, .. CLatest
)