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View this topic on docs.devexpress.com (Learn more)

GanttView.CalculateSummaryTaskProgress Event

Occurs when the summary task or one of its children is scheduled and allows you to calculate summary task progress with custom logic. This is a routed event.

Namespace:DevExpress.Xpf.Gantt
Assembly:DevExpress.Xpf.Gantt.v19.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type CalculateSummaryTaskProgressEventArgs containing data related to this event.

The following CalculateSummaryTaskProgressEventArgs properties provide information specific to this event.
Property Description
Handled Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.
Node Gets the currently processed summary task.
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible System.Windows.RoutedEventArgs.Source adjustment by a parent class.
Progress Gets or sets the currently processed summary task's progress.
RoutedEvent Gets or sets the System.Windows.RoutedEventArgs.RoutedEvent associated with this System.Windows.RoutedEventArgs instance.
Source Gets or sets a reference to the object that raised the event.

Expanded Remarks

Use the event arguments' CalculateSummaryTaskProgressEventArgs.Node property to get the currently processed summary task.

The event arguments' CalculateSummaryTaskProgressEventArgs.Progress property allows you to set a custom progress value.

Expanded Example

The code sample below demonstrates how to calculate summary task progress according the child tasks' progress and their weight stored in the Tag property.

Expanded See Also

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