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DashboardDesigner.Initialized Event

Handle this event to get the dashboard item data, and apply the master filter and dashboard state in asynchronous mode.

Namespace: DevExpress.DashboardWin

Assembly: DevExpress.Dashboard.v20.1.Win.dll

Declaration

public event EventHandler Initialized
Public Event Initialized As EventHandler

Event Data

The Initialized event's data class is EventArgs.

Remarks

This event indicates that you can safely access dashboard items, and allows you to manage filters and the dashboard state.

Examples

This example demonstrates how to work in asynchronous mode to get filter values, set the master filter and perform an asynchronous task when the dashboard is loaded for the first time.

using DevExpress.DashboardCommon.ViewerData;
using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace RandomFilterExample
{
    public partial class ViewerForm1 : XtraForm {
        public ViewerForm1() {
            InitializeComponent();
            dashboardViewer1.Initialized += OnDashboardViewerInitialized;

        }
        async void OnMouseClick(object sender, MouseEventArgs e) {
            await RandomFilter();
        }
        async Task RandomFilter() {
            string itemName = "choroplethMapDashboardItem1";
            IList<AxisPointTuple> filters = await dashboardViewer1.GetAvailableFilterValuesAsync(itemName);
            Random r = new Random();
            int index = r.Next(0, filters.Count - 1);
            await dashboardViewer1.SetMasterFilterAsync(itemName, filters[index]);
        }

        async void OnDashboardViewerInitialized(object sender, EventArgs e) {
            await RandomFilter();
        }
    }
}

This example demonstrates how to get the data displayed in the dashboard item asynchronously when the dashboard is loaded.

using DevExpress.DashboardCommon;
using DevExpress.XtraEditors;
using System;
using System.Threading.Tasks;

namespace DataCounterExample
{
    public partial class ViewerForm1 : XtraForm {
        public ViewerForm1() {
            InitializeComponent();
            dashboardViewer1.Initialized += OnDashboardViewerInitialized;
            dashboardViewer1.MasterFilterSet += OnDashboardViewerMasterFilterSet;
            dashboardViewer1.MasterFilterCleared += OnDashboardViewerMasterFilterCleared;
        }

        async void OnDashboardViewerInitialized(object sender, EventArgs e) {
            simpleLabelItem1.Text = await GetLabelText("choroplethMapDashboardItem1", "Map");
            simpleLabelItem2.Text = await GetLabelText("gridDashboardItem1", "Grid");
        }

        async void OnDashboardViewerMasterFilterSet(object sender, MasterFilterSetEventArgs e) {
            simpleLabelItem2.Text = await GetLabelText("gridDashboardItem1", "Grid");
        }

        async void OnDashboardViewerMasterFilterCleared(object sender, MasterFilterClearedEventArgs e) {
            simpleLabelItem2.Text = await GetLabelText("gridDashboardItem1", "Grid");
        }

        async Task<string> GetLabelText(string itemName, string itemCaption) {
            var data = await dashboardViewer1.GetItemDataAsync(itemName);
            int count = data.GetAxisPoints(data.GetAxisNames()[0]).Count;
            return string.Format("{0}: {1}", itemCaption, count);
        }
    }
}

Implements

See Also