MicroStrategy C# clear all caches

gistfile1.txt

//live strings
string MSTRServer = "SERVERNAME";
string MSTRLogin = "LoginWithAdminRights";
string MSTRPwd = "Password";
int ProjNum = 4; //you would need to get the project number from MSTR
string projectSource = "Project Source Name";
string projectName = "Project Name";

DSSDataSource oServerDS = new DSSDataSource();
oServerDS.Type = EnumDSSDataSourceType.DssDataSourceTypeServer;
oServerDS.Mode = EnumDSSConnectionMode.DssConnectionModeServerAccess;
oServerDS.AuthMode = EnumDSSAuthModes.DssAuthStandard;
oServerDS.Location = MSTRServer;
oServerDS.port = 34952;
oServerDS.login = MSTRLogin;
oServerDS.Passwd = MSTRPwd;

try
{
  oServerDS.Init();

  IDSSSession oSession = oServerDS.CreateSession();
  IDSSServerAdmin oServerAdmin = oSession.ServerAdmin;
  IDSSProjectInstances oProjectList = oServerAdmin.get_ProjectInstances(EnumDSSRefreshOption.DssServerRefreshNo);
  IDSSProjectInstance oProject = oProjectList.get_ItemByIndex(ProjNum);
  int nProjID = oProject.ID;

  DSSCOMMasterLib.IDSSServerAdmin myadmin = oSession.DataSource.ServerAdmin;
  DSSCOMMasterLib.IDSSReportCacheAdmin mycache = (DSSCOMMasterLib.IDSSReportCacheAdmin)myadmin.get_CacheAdministrator(nProjID);

mycache.ExpireAllCaches(0);

if (oSession != null)
  {
    oServerDS.Reset();
     oServerDS = null;
     oSession.Close();
     oSession = null;
  }
}
catch(Exception e)
{
  Console.WriteLine("Error rec'd: " + e.Message.ToString());
}