How to manage group ?

using Novalys.VisualGuard.Security;
using Novalys.VisualGuard.Security.Common;
using Novalys.VisualGuard.Security.CommonProfileAttribute;
using Novalys.VisualGuard.Security.Database;
using Novalys.VisualGuard.Security.Membership;
using Novalys.VisualGuard.Security.UserProfile;
using System; 
using System.Collections.Generic;

VGSecurityRuntime runtime = VGSecurityManager.Runtime;

//Create/Update/Delete Group 
//create group 
VGGroup groupHR = runtime.Groups.CreateGroup("HR Department", "This group represents a HR Division", null); 

//create group under specific group 
VGGroup groupHRBranchA = runtime.Groups.CreateGroup("HR Department- Branch A", groupHR); 
VGGroup groupHRBranchB = runtime.Groups.CreateGroup("HR Department- Branch B", groupHR); 
VGGroup groupHRBranchC = runtime.Groups.CreateGroup("HR Department- Branch C", groupHR); 

//update group 
groupHR.Description = "HR Division"; groupHR.Data1 = "Data1 - You can store any important information here"; 

groupHR.Data2 = "Data2 - You can store any important information here";
groupHR.Data3 = "Data3 - You can store any important information here"; 
groupHR.Name = "HR Dept"; runtime.Groups.UpdateGroup(groupHR); 

//delete group 
runtime.Groups.DeleteGroup(groupHRBranchC);

//Create group profile attributes
var attrBranchCode = runtime.Groups.CreateProfileAttribute("BranchCode",VGCommonProfileDataType.String, "BranchCode", "This attribute represents a branch code");
var attrBranchActive = runtime.Groups.CreateProfileAttribute("IsBranchActive", VGCommonProfileDataType.Boolean, "IsActive", "This attribute represents if branch is active");


var profileAttribteDef = (VGProfileAttributeDefinitionDropDownList) runtime.Groups.GetProfileAttributeDefinition(VGCommonProfileDataType.DropDownList);
profileAttribteDef.Items = new string[] { "Zone 1", "Zone 2", "Zone 3" };
profileAttribteDef.DefaultValue = "Zone 1";

var attrBranchZone = runtime.Groups.CreateProfileAttribute("BranchZone",VGCommonProfileDataType.DropDownList, "BranchZone", "This attribute represents if branch is active", true, false, false, true, 1, "Basic Information", profileAttribteDef);

//Create group profile attributes
var attrBranchCode = runtime.Groups.CreateProfileAttribute("BranchCode",VGCommonProfileDataType.String, "BranchCode", "This attribute represents a branch code");
var attrBranchActive = runtime.Groups.CreateProfileAttribute("IsBranchActive", VGCommonProfileDataType.Boolean, "IsActive", "This attribute represents if branch is active");


var profileAttribteDef = (VGProfileAttributeDefinitionDropDownList) runtime.Groups.GetProfileAttributeDefinition(VGCommonProfileDataType.DropDownList);
profileAttribteDef.Items = new string[] { "Zone 1", "Zone 2", "Zone 3" };
profileAttribteDef.DefaultValue = "Zone 1";

var attrBranchZone = runtime.Groups.CreateProfileAttribute("BranchZone",VGCommonProfileDataType.DropDownList, "BranchZone", "This attribute represents if branch is active", true, false, false, true, 1, "Basic Information", profileAttribteDef);

string branchCode = groupHRBranchA.GetValue<string>("BranchCode");
bool isBranchActive = groupHRBranchA.GetValue<bool>("IsBranchActive");
string branchZone = groupHRBranchA.GetValue<string>("BranchZone");

//Save/Update group profile values
groupHRBranchA.SetValue<string>(attrBranchCode.Id, "Code_442");
groupHRBranchA.SetValue<bool>(attrBranchActive.Id, true);
groupHRBranchA.SetValue<string>(attrBranchZone.Id, "Zone 2");

runtime.Groups.UpdateGroup(groupHRBranchA);

//Save/Update group profile values
groupHRBranchB.SetValue<string>(attrBranchCode.Id, "Code_443");
groupHRBranchB.SetValue<bool>(attrBranchActive.Id, false);
groupHRBranchB.SetValue<string>(attrBranchZone.Id, "Zone 1");

runtime.Groups.UpdateGroup(groupHRBranchB);

 //Get all groups
var allGroups = runtime.Groups.GetAllGroup();

//Get all descendant groups of particular group
var childGroups =runtime.Groups.GetAllDescendantGroupsFromGroup(groupHR);

//Get all parent groups of particular group
var parentGroups = runtime.Groups.GetAllParentGroups(groupHRBranchA)

//find groups by groupname pattern
var findGroups = runtime.Groups.FindGroupsByName("HR Department");
findGroups = runtime.Groups.FindGroupsByName("%Department%");

//find groups by profile attribute
findGroups =  runtime.Groups.FindGroupsByProfileAttributeValue(attrBranchCode.Id, "Code_442");

findGroups = runtime.Groups.FindGroupsByProfileAttributeValue(attrBranchActive.Id, false);
findGroups = runtime.Groups.FindGroupsByProfileAttributeValue(attrBranchActive.Id, true);

findGroups = runtime.Groups.FindGroupsByProfileAttributeValue(attrBranchZone.Id, "Zone 1");
findGroups = runtime.Groups.FindGroupsByProfileAttributeValue(attrBranchZone.Id, "Zone 2");

var userJsmith = runtime.Membership.GetUser("jsmith");

//assign user to group
runtime.Groups.AddUserToGroup(userJsmith, groupHRBranchA);

//remove user from group
runtime.Groups.RemoveUserFromGroup(userJsmith, groupHRBranchA);