DashboardItemMouseActionWpfEventArgs.GetDeltas() Method

Gets a list of delta descriptors related to the visual element located under the test point.

Namespace: DevExpress.DashboardWpf

Assembly: DevExpress.Dashboard.v23.2.Wpf.dll

NuGet Package: DevExpress.Wpf.Dashboard

Declaration

C#

public IList<DeltaDescriptor> GetDeltas()

VB.NET

Public Function GetDeltas As IList(Of DeltaDescriptor)

Returns

Type	Description
IList<DeltaDescriptor>	A list of DeltaDescriptor objects containing the delta metadata.

Remarks

The DeltaDescriptor object is required for the GetDeltaValue(DeltaDescriptor) method to obtain a delta value.

The method returns a list containing a non-zero number of elements if a dashboard item provides the Actual and Target data. The following dashboard items can contain deltas:

• CardDashboardItem
• GaugeDashboardItem
• GridDashboardItem that contains a GridDeltaColumn
• ChoroplethMapDashboardItem

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the GetDeltas() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-dashboard-how-to-obtain-clicked-item-data/CS/Dashboard_ClientDataCards_Wpf/MainWindow.xaml.cs#L27

MultiDimensionalData clickedItemData = e.GetSlice();
DeltaDescriptor delta = e.GetDeltas()[0];

VB.NET

wpf-dashboard-how-to-obtain-clicked-item-data/VB/Dashboard_ClientDataCards_Wpf/MainWindow.xaml.vb#L25

Dim clickedItemData As MultiDimensionalData = e.GetSlice()
Dim delta As DeltaDescriptor = e.GetDeltas()(0)
' Creates a data table that will be used to hold client data.