AndT Class

Applies logical AND to the specified conditions.
Inheritance Hierarchy

Namespace:  Aspose.Tasks.Util
Assembly:  Aspose.Tasks (in Aspose.Tasks.dll) Version: 20.10
public class And<T> : ICondition<T>

Type Parameters

The type of object to apply method interface to.

The AndT type exposes the following members.

Public methodCode exampleAndT
Initializes a new instance of the AndT class.
Public methodCode exampleCheck
Returns true if the specified object satisfy the conditions.
Public methodEquals (Inherited from Object.)
Protected methodFinalize (Inherited from Object.)
Public methodGetHashCode (Inherited from Object.)
Public methodGetType (Inherited from Object.)
Protected methodMemberwiseClone (Inherited from Object.)
Public methodToString (Inherited from Object.)
Shows how to use <see cref="Aspose.Tasks.Util.And`1" /> condition.
public void WorkWithAnd()
    var project = new Project(DataDir + "Project2.mpp");

    // gather all project tasks
    var coll = new ChildTasksCollector();
    TaskUtils.Apply(project.RootTask, coll, 0);

    // create a filter condition that filters summary tasks
    var condition1 = new SummaryCondition();

    // create a filter condition that filters not null tasks
    var condition2 = new NotNullCondition();

    // and join them by applying <see cref="Aspose.Tasks.Util.And`1" /> condition
    var joinedCondition = new And<Task>(condition1, condition2);

    // apply the condition to the collected tasks
    List<Task> collection = Filter(coll.Tasks, joinedCondition);
    Console.WriteLine("Filtered tasks: ");
    foreach (var task in collection)
        Console.WriteLine(" Name: " + task.Get(Tsk.Name));

        // work with other properties...

    // ...

private static List<T> Filter<T>(IEnumerable<T> array, ICondition<T> cond)
    var result = new List<T>();

    foreach (var item in array)
        if (cond.Check(item))

    return result;

private class NotNullCondition : ICondition<Task>
    public bool Check(Task el)
        return !el.Get(Tsk.IsNull).Value;

private class SummaryCondition : ICondition<Task>
    public bool Check(Task el)
        return el.Get(Tsk.IsSummary);
See Also