Add

Add(Duration)

Adds specified duration to this duration.

public Duration Add(Duration d)
ParameterTypeDescription
dDurationspecified Duration to add to this instance.

Return Value

New duration object that represents the value of this instance plus the specified duration value.

Examples

Shows how to update a duration of tasks.

var project = new Project(DataDir + "TaskDurations.mpp");

// get a task
var task1 = project.RootTask.Children.GetById(1);

// update the task duration
var duration1 = task1.Get(Tsk.Duration);

// add one day to the task 1
duration1 = duration1.Add(project.GetDuration(1, TimeUnitType.Day));

// set a new duration to the task
task1.Set(Tsk.Duration, duration1);
Console.WriteLine("The duration of task 1: " + task1.Get(Tsk.Duration));

// get another task
var task2 = project.RootTask.Children.GetById(2);
var duration2 = task2.Get(Tsk.Duration);

// change the duration by using actual time unit type
Console.WriteLine("The time unit of duration: " + duration2.TimeUnit);
duration2 = duration2.Add(1d /* the time unit type of duration2 will be used */);

// set a new duration to the task
task2.Set(Tsk.Duration, duration2);
Console.WriteLine("The duration of task 2: " + task1.Get(Tsk.Duration));

See Also

Add(double)

Adds specified double value to this duration.

public Duration Add(double val)
ParameterTypeDescription
valDoublethe specified Double value to add to this instance.

Return Value

New duration object that represents the value of this instance plus the specified duration value.

Examples

Shows how to update a duration of tasks.

var project = new Project(DataDir + "TaskDurations.mpp");

// get a task
var task1 = project.RootTask.Children.GetById(1);

// update the task duration
var duration1 = task1.Get(Tsk.Duration);

// add one day to the task 1
duration1 = duration1.Add(project.GetDuration(1, TimeUnitType.Day));

// set a new duration to the task
task1.Set(Tsk.Duration, duration1);
Console.WriteLine("The duration of task 1: " + task1.Get(Tsk.Duration));

// get another task
var task2 = project.RootTask.Children.GetById(2);
var duration2 = task2.Get(Tsk.Duration);

// change the duration by using actual time unit type
Console.WriteLine("The time unit of duration: " + duration2.TimeUnit);
duration2 = duration2.Add(1d /* the time unit type of duration2 will be used */);

// set a new duration to the task
task2.Set(Tsk.Duration, duration2);
Console.WriteLine("The duration of task 2: " + task1.Get(Tsk.Duration));

See Also

TimeUnit Convert