CustomItemMetadata.GetPropertyValue<T>(String) Method

Returns an individual data section property value.

Namespace: DevExpress.DashboardCommon

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

NuGet Package: DevExpress.Dashboard.Core

Declaration

C#

protected T GetPropertyValue<T>(
    string propertyName = null
)
    where T : DataItem

VB.NET

Protected Function GetPropertyValue(Of T As DataItem)(
    propertyName As String = Nothing
) As T

Optional Parameters

Name	Type	Default	Description
propertyName	String	null	The data section property name from CustomItemMetadata.

Type Parameters

Name	Description
T	A property data type.

Returns

Type	Description
T	A data section property value.

Remarks

The following code snippet shows how to declare an individual data section Weight, Target and Source properties in the CustomItemMetadata descendant:

SankeyItemMetadata.cs

using DevExpress.DashboardCommon;

namespace CustomItemsSample {
    public class SankeyItemMetadata : CustomItemMetadata {
        public Measure Weight {
            get { return GetPropertyValue<Measure>(); }
            set { SetPropertyValue(value); }
        }
        public Dimension Target {
            get { return GetPropertyValue<Dimension>(); }
            set { SetPropertyValue(value); }
        }
        public Dimension Source {
            get { return GetPropertyValue<Dimension>(); }
            set { SetPropertyValue(value); }
        }
    }
}

SankeyItemMetadata.vb

Imports Microsoft.VisualBasic
Imports DevExpress.DashboardCommon

Namespace CustomItemsSample
    Public Class SankeyItemMetadata
        Inherits CustomItemMetadata
        Public Property Weight() As Measure
            Get
                Return GetPropertyValue(Of Measure)()
            End Get
            Set(ByVal value As Measure)
                SetPropertyValue(value)
            End Set
        End Property
        Public Property Target() As Dimension
            Get
                Return GetPropertyValue(Of Dimension)()
            End Get
            Set(ByVal value As Dimension)
                SetPropertyValue(value)
            End Set
        End Property
        Public Property Source() As Dimension
            Get
                Return GetPropertyValue(Of Dimension)()
            End Get
            Set(ByVal value As Dimension)
                SetPropertyValue(value)
            End Set
        End Property
    End Class
End Namespace