DashboardViewer.CustomDashboardItemControlCreating Event

Occurs when a dashboard control visualizes a custom item.

Namespace: DevExpress.DashboardWin

Assembly: DevExpress.Dashboard.v24.2.Win.dll

Declaration

C#

public event CustomDashboardItemControlCreatingEventHandler CustomDashboardItemControlCreating

VB.NET

Public Event CustomDashboardItemControlCreating As CustomDashboardItemControlCreatingEventHandler

Event Data

The CustomDashboardItemControlCreating event's data class is CustomDashboardItemControlCreatingEventArgs. The following properties provide information specific to this event:

Property	Description
CustomControlProvider	Gets or sets a custom control that displays a custom dashboard item.
DashboardItemName	Gets the component name of the custom dashboard item.
MetadataType	Gets a custom item’s metadata type.

Remarks

The CustomDashboardItemControlCreating event fires each time a dashboard control visualizes a custom item. For example, when you add a custom item to a dashboard’s layout or open a saved dashboard with custom items added to the dashboard’s layout.

The event fires only for custom items whose metadata is registered in the CustomItemMetadataTypes collection.

Assign a CustomControlProviderBase class descendant to the CustomDashboardItemControlCreatingEventArgs.CustomControlProvider property. The CustomControlProviderBase object displays a custom item.

The following code snippet shows how to display a custom Funnel item:

C#

using System.Collections.Generic;
using System.Windows.Forms;
using DevExpress.DashboardCommon;
using DevExpress.DashboardWin;

namespace CustomItemsSample {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
            //...
        }
        private void DashboardViewer1_CustomDashboardItemControlCreating(object sender, CustomDashboardItemControlCreatingEventArgs e){
            if(e.MetadataType == typeof(CustomFunnelMetadata))
          e.CustomControlProvider = new CustomFunnelControlProvider(dashboardViewer1, dashboardViewer1.Dashboard.Items[e.DashboardItemName] as CustomDashboardItem<CustomFunnelMetadata>);
        }
}

VB.NET

Imports System.Collections.Generic
Imports System.Windows.Forms
Imports DevExpress.DashboardCommon
Imports DevExpress.DashboardWin

Namespace CustomItemsSample
    Partial Public Class Form1
        Inherits Form
        Public Sub New()
            InitializeComponent()
      '...
    End Sub
    Private Sub DashboardViewer1_CustomDashboardItemControlCreating(ByVal sender As Object, ByVal e As CustomDashboardItemControlCreatingEventArgs)
    If e.MetadataType Is GetType(CustomFunnelMetadata) Then
        e.CustomControlProvider = New CustomFunnelControlProvider((dashboardViewer1, TryCast((dashboardViewer1.Dashboard.Items(e.DashboardItemName), CustomDashboardItem(Of CustomFunnelMetadata)))
    End If
    End Sub
  End Class
End Namespace

Implements

CustomDashboardItemControlCreating