object CreateObject(
    Type type
)

Function CreateObject(
    type As Type
) As Object

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.Persistent.Base;
using MainDemo.Module.BusinessObjects;
// ...
public class AddDepartmentController : ObjectViewController<DetailView, Contact> {
    public AddDepartmentController() {
        ParametrizedAction addDepartmentAction = new ParametrizedAction(
            this, "AddDepartment", PredefinedCategory.Edit, typeof(string));
        addDepartmentAction.Execute += AddDepartmentAction_Execute;
    }
    private void AddDepartmentAction_Execute(object sender, ParametrizedActionExecuteEventArgs e) {
        using(IObjectSpace objectSpace = Application.CreateObjectSpace(typeof(Department))) {
            Department department = objectSpace.CreateObject<Department>();
            department.Title = e.ParameterCurrentValue as string;
            objectSpace.CommitChanges();
        }
        View.Refresh();
    }
}

if (e.ObjectType == typeof(PermissionPolicyTypePermissionObject)) {
    e.NewObject = e.ObjectSpace.CreateObject(typeof(CustomTypePermissionObject));
}

var objectSpace = Application.CreateObjectSpace(objectType);
var obj = objectSpace.CreateObject(objectType);
objectSpace.RemoveFromModifiedObjects(obj);

IObjectSpace os = Application.CreateObjectSpace(type);
object obj = os.CreateObject(type);
DetailView dv = Application.CreateDetailView(os, obj);

var objectSpace = Application.CreateObjectSpace(logonActionParametersType);
var logonActionParameters = objectSpace.CreateObject(logonActionParametersType);
var detailView = Application.CreateDetailView(objectSpace, logonActionParameters);

Dim os As IObjectSpace = Application.CreateObjectSpace(type)
Dim obj As Object = os.CreateObject(type)
Dim dv As DetailView = Application.CreateDetailView(os, obj)